1. Prokopov, T.S., M. Nikolova, D. Taneva, A.L. Dimitrov and S. Tasheva, 2022. Kinetics study on total phenols extraction from onion processing waste. Oxid. Commun., 45: 262-273.
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2. Dimitrov, A., 2014. Ecological problems in transportation of crude oil/petroleum products and volume assessment of oil spills. Part II: Advanced method. Acad. J. Ind. Technol., 1: 14-17.
3. Sotirova, E.N., S. Sotirov, A. Dimitrov and K.T. Atanassov, 2013. On some applications of the game method for modelling. Part 3: Simulation of oil transformation in marine environment. Proc. Jangjeon Math. Soc., 16: 293-300.
4. Dimitrov, A., 2013. Ecological problems in transportation of crude oil/petroleum products and volume assessment of oil spills. Part 1: Simple method. Acad. J. Manage. Educ., 9: 7-11.
5. Tsonev, Z., D. Yordanov, A. Dimitrov and P. Petkov, 2012. Estimation of measurement uncertainty for the determination of the total sulfur content in petroleum and petroleum products in UV-fluorescent analysis. Pet. Coal, 54: 14-23.
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6. Genieva, S., S. Turmanova, A. Dimitrov, P. Petkov and L. Vlaev, 2012. Thermal degradation of rice husks on a pilot plant: Utilization of the products as adsorbents for oil spill cleanup. J. Thermal Anal. Calorimetry, 110: 111-118.
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7. Dimitrov, A.N., D.I. Yordanov and P.S. Petkov, 2012. Study on the effect of demulsifers on crude oil and petroleum products. Int. J. Environ. Res., 6: 435-442.
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8. Dimitrov, A.N., D.I. Yordanov and P.S. Petkov, 2012. Influence of thickness under surface and protected properties of film forming anticorrosion oil compositions. Pet. Coal, 54: 238-242.
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9. Dimitrov, A.N. and P.S. Petkov, 2012. Optimization of the composition of anticorrosion additives for protection of ferrous and non-ferrous metals. Koroze a Ochrana Materialu, 56: 88-99.
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10. Dimitrov, A., S. Genieva, P. Petkov and L. Vlaev, 2012. Using pyrolyzed rice husks as an adsorbent for purification of water basins polluted with diesel fuel. Water Air Soil Pollut., 223: 5087-5095.
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11. Dimitrov, A., D. Yordanov and P. Petkov, 2012. Obtained and investigation of the ecological film-Forming Anticorrosion Oil Compositions (FAOC), reducing oil consumption during exploitation. Pet. Coal, 54: 114-119.
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12. Dimitrov, A. and P. Petkov, 2012. Environmental impact of oil spills and effectiveness of methods for their cleaning. Acad. J. Manage. Educ., 8: 139-150.
13. Yordanov, D., Z. Tsonev, A. Dimitrov and P. Petkov, 2011. Photooxidation and photochemical impact on crude petroleum and structural estimation of photoproducts. Pet. Coal, 53: 183-187.
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14. Vlaev, L., P. Petkov, A. Dimitrov and S. Genieva, 2011. Cleanup of water polluted with crude oil or diesel fuel using rice husks ash. J. Taiwan Inst. Chem. Eng., 42: 957-964.
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15. Dimitrov, A., D. Yordanov, D. Gogov, Z. Tsonev and P. Petkov, 2011. Effectiveness of natural sorbents in reducing the oil spills. Oxid. Commun., 34: 457-462.
16. Dimitrov, A. and P. Petkov, 2011. Using monomer mixtures as additives for lubricating oil. Annu. Assen Zlatarov Univ. Burgas, 40: 48-52.
17. Yordanov, D., A. Dimitrov, Z. Tsonev and P. Petkov, 2010. Flash point correlation with specific gravity, refractive index and viscosity of base oil fractions. Asian Chem. Lett., 14: 171-176.
18. Dimitrov, A., D. Yordanov, Z. Tsonev and P. Petkov, 2010. Provision of health and safety activities for the construction and installation works in the petroleum refinery. Part 3. Plan for safety and health. Annu. Assen Zlatarov Univ. Burgas, 39: 98-104.
19. Dimitrov, A., D. Yordanov, Z. Tsonev and P. Petkov, 2010. Providing healthy and safe working conditions in the petroleum refinery. Acad. J. Manage. Educ., 6: 197-205.
20. Yordanov, D., Z. Tsonev, P. Petkov and A. Dimitrov, 2009. Prediction of the viscosity of heavy oil residue by investigation the dependence between different physicochemical properties. Annu. Assen Zlatarov Univ. Burgas, 38: 74-78.
21. Yordanov, D., Z. Tsonev, P. Petkov and A. Dimitrov, 2009. Empirical models to assess the sensitivity coefficient at investigation of dynamic viscosity of heavy oil wastes. Annu. Assen Zlatarov Univ. Burgas, 38: 68-73.
22. Yordanov D., P. Petkov, A. Dimitrov, D. Gogov and Z. Tsonev, 2009. Mathematical models to quality control of the kinematic viscosity of middle distillated fuels derived from depolymerization process of heavy oil wastes. Acad. J. Manage. Educ., 5: 207-211.
23. Yordanov D., P. Petkov, A. Dimitrov, D. Gogov and Z. Tsonev, 2009. Mathematical models to quality control of the kinematic and engler viscosity of heavy oil wastes used as raw materials to the catalytic depolymerization. Acad. J. Manage. Educ., 5: 201-206.
24. Dimitrov, A., K. Vassilev, D. Jordanov, M. Dimitrova, G. Jordanova, D. Gogov and P. Petkov, 2009. The contents of heavy metals of extracts of the petroleum wastes determine. Acad. J. Manage. Educ., 5: 211-215.
25. Dimitrov, A., D. Yordanov, Z. Tsonev and P. Petkov, 2009. Provision of health and safety activities for the construction and installation works in the petroleum refinery. Part 2. Prevention against risks. Annu. Assen Zlatarov Univ. Burgas, 38: 111-113.
26. Dimitrov, A., D. Yordanov, Z. Tsonev and P. Petkov, 2009. Provision of health and safety activities for the construction and installation works in the petroleum refinery. Part 1. General principles and responsibilities for safety. Annu. Assen Zlatarov Univ. Burgas, 38: 105-110.
27. Dimitrov, A., D. Gogov, D. Yordanov and P. Petkov, 2008. A possibility to contain the oil frequently flooded area by natural sorbents. Acad. J. Manage. Educ., 5: 244-247.
28. Petkov, P. and A. Dimitrov, 2002. Study of the mechanism of anticorrosion action of products, obtained at the interaction of oil hydrocarbons by the nitric acid. Annu. Assen Zlatarov Univ. Burgas, 31: 119-122.
29. Petkov, P., T. Palichev and A. Dimitrov, 1999. A study of the mechanism of action of antismoke additives for diesel fuels. Oxid. Commun., 22: 194-206.
30. Petkov, P. and A. Dimitrov, 1999. Investigation of the products, obtained by the interaction of petroleum fractions with nitrogen acid, in the role of additives to boiler fuel. Oxid. Commun., 22: 207-214.