1. Hasrat, K., F. Ullah, F. Ma, G. Zhao, S. Misal, F. He and Z. Qi, 2022. Fabrication of an organic/inorganic silicon hybrid solar cell based on PEDOT:PSS doped and non-doped with CBP and dibenzothiopene-benzoyl-tertiarybutylcarbozole. J. Electron. Mater., 51: 1342-1348.
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2. Ullah, F., K. Hasrat, S. Iqbal, I. Hussain, A. Hussain and Y. Mumtaz, 2021. An approach to evaluate dehydration of apples (Malus Domestica L) with the effect of temperature and time interval under the response surface method. Int. J. Fruit Sci., 21: 657-669.
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3. Ullah, F., 2021. Performance assessment of convective heat transfer in tubes with a temperature difference in the high‐temperature solar power generation system. J. Food Process. Preserv., Vol. 45. 10.1111/jfpp.16010.
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4. Ullah, F. and M. Kang, 2019. Performance evaluation of parabolic trough solar collector with solar tracking tilt sensor for water distillation. Energy Environ., 30: 1219-1235.
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5. Ullah, F., M.K. Khattak and K. Min, 2018. Experimental investigation of the comparison of compound parabolic concentrator and ordinary heat pipe-type solar concentrator. Energy and Environ., 29: 770-783.
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6. Ullah, F., M. Ameen and K. Hasrat, 2018. Experimental study on optimization of heat storage and melting salts of solar energy. J. Food Process Preserv., Vol. 43 10.1111/jfpp.13685.
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7. Ullah, F., K. Min, M.K. Khattak, S. Wahab and N. Wahab et al., 2018. Effects of different drying methods on some physical and chemical properties of loquat (Eriobotrya japonica) fruits. Int. J. Fruit Sci., 18: 345-354.
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8. Yasir, M., W. Ahmad and F. Ullah, 2017. Phytochemical screening, antibacterial and antiplasmodial activities of chrozophora oblique and launaea nudicaulis. N.Y. Sci. J., 10: 72-76.
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9. Ullah, F., M.K. Khattak, M. Kang, N. Li, J. Yang and X. Wang, 2017. Numerical simulation on thermal performance of flat plate solar collector with double glass covers. J. Applied Sci., 17: 502-510.
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10. Ullah, F., M. Kang and M.K. Khattak, 2017. The response of chickpea to tillage practices in continuous rotation with wheat under spate irrigation in arid environment. Direct Res. J. Agric. Food Sci., 5: 323-332.
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11. Ullah, F. and M. Kang, 2017. Impact of air flow rate on drying of apples and performance assessment of parabolic trough solar collector. Applied Thermal Eng., 127: 275-280.
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12. Memon, M.S., Z. Jun, G. Jun, F. Ullah, M. Hassan, S. Ara and J. Changying, 2017. Comprehensive review of the effects of ridge furrow plastic mulching on crop yield and water use efficiency under different crops. Int. Agric. Eng. J., 26: 58-67.
13. Memon, M.S., F. Ullah, K. Ali and N. Memon, 2017. Impacts of furrow cover plastic sheet on crop water productivity and salt distribution in the soil profile. Sci. Technol. Dev., 36: 106-114.
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14. Memon, M.S., A.A. Siyal, J. Changying, A.A. Tagar and S. Ara et al., 2017. Effect of Irrigation methods and plastic mulch on yield and crop water productivity of okra. J. Basic Applied Sci., 13: 616-621.
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15. Khan, F. and K. Min, 2017. Integrated use of flat plate solar collector for the dehydration process of fruit. Anal. Biol. Sci., 5: 77-84.
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16. Hassan, L. and F. Ullah, 2017. Establishment and application of the resazurin micro-plate method for rapid diagnosis of bovine mastitis-causing staphylococci. Asian J. Biol. Sci., 10: 47-55.
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17. Wahab, S., M.K. Khattak, S.K. Khalil and Fahim Ullah, 2016. Effect of cowpea flour supplementation on the nutritive value of whole wheat flour leavened bread. World J. Pharm. Res., 3: 4393-4403.
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18. Wahab, S., Fahim Ullah, M.K. Khattak, M.S. Memon and L. Hassan, 2016. Impact of temperature and fermentation period on the overall quality of black tea. Pure Applied Biol., 5: 1278-1287.
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19. Ullah, F., M.K. Khattak, M. Kang, X. Fu, N. Hengtai, L. Hengzheng and N. Li, 2016. Experimental study on a flat plate collector assisted for solar water heating unit. Adv. Eng. Res., 63: 393-399.
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20. Ullah, F., M. Kang, L. Hassan, N. Li, J. Yang, X. Wang and M.K. Khattak, 2016. Impact of drying method of figs with small-scale flat-plate solar collector. World J. Eng., 13: 407-412.
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21. Fahim Ullah, S. Ahmad, S. Wahab, A. Zeb, M.K. Khattak, S. Khan and M. Kang, 2016. Quality evaluation of biscuits supplemented with alfalfa seed flour. Foods, Vol. 5. 10.3390/foods5040068.
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22. Fahim Ullah, M.K. Khattak, M. Khan, L. Hassan and K. Hasrat, 2016. Impact of the dehydration process on guava by using of the parabolic trough solar concentrator. Pak. J. Food Sci., 26: 92-97.
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23. Fahim Ullah, L. Hassan, M.S. Memon and K. Hasrat, 2016. Effect of irradiation on the quality of dried figs. Res. J. Applied Sci. Eng. Technol., 12: 1007-1010.
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24. Fahim Ullah, L. Hassan, M.K. Khattak and K. Hasrat, 2016. Influence of salt and spices on the overall acceptability and preservation of tomato cubes. Sci. Technol. Dev., 35: 35-41.
25. Hassan, L., F. Ullah and M.K. Khattak, 2015. Prevalence and molecular detection of Giardia in different sources of water. Sci. Technol. Dev., 34: 41-45.
26. Fahim Ullah, M.K. Khattak, L. Hassan and S. Wahab, 2015. Enhancing the release of phosphorus from rock phosphate with application of humic acid. Sci. Technol. Dev., 34: 189-194.
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27. Khattak, M.K. and Fahim Ullah, 2014. Maintenance and repair cost of company wise vehicles: A case study of the university of agriculture Peshawar, Pakistan. Int. J. Eng. Works, 1: 56-63.