1. Okoro, R.C. and P.C. Iwuji, 2019. Investigation of GSM signal strength in Rural communities in the South-Eastern Region of Nigeria. Eur. Sci. J., 15: 140-152.
2. Okoro, R. and J. Iloke, 2018. Suitability of the early ITU model in parts of Cross River State Nigeria. Int. J. Sci. Eng. Applied Sci., 4: 28-32.
3. Okoro, R.C., R.A. Umunnah and D.E. Bassey, 2016. Subjective analysis of noise levels and its possible effects on workers and their environment in Ikot Uduak timber market, Calabar, Cross River State, Nigeria. Int. J. Eng. Res. Gen. Sci., 4: 884-891.
4. Okoro, R.C., C. Emeruwa, 2016. Performance evaluation of thermoelectric materials: A case study of orthorhombic tin selenide (S_nS_e). Int. J. Eng. Sci. Invention, 5: 13-19.
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5. Bassey, D.E., R.C. Okoro, B.E. Okon and E.E. Eyime, 2016. Broadband-infrastructural deficit and ICT growth potentials in Cross River State, Nigeria. Int. J. Innovative Res. Comput. Commun. Eng., 4: 8465-8476.
6. Bassey, D.E., R.C. Okoro and J.C. Ogbulezie, 2016. Design considerations for different segments of UHF wireless network in Cross river state Nigeria. Int. J. Sci. Technol. Res., 5: 835-840.
7. Bassey, D.E., R.C. Okoro and B.E. Okon, 2016. Modelling of a radio wave transmission of building located around Niger Delta Urban microcell using-ray tracing techniquesll. Int. J. Sci. Res. (IJSR), Ijsr. net, 5: 337-346.
8. Bassey, D.E., R.C. Okoro and B.E. Okon, 2016. Issues associated with decimeter waves propagation at 0.6,1.0 and 2.0 peak fresnel zone. Int. J. Sci. Res., 5: 159-163.
9. Charles, M.O., R.C. Okoro, I.A. Ikposhi and D.E. Oku, 2015. Reliable control of PMDC motor speed using matlab. Int. J. Sci. Res., 6: 208-216.
10. Okoro, R.C., 2014. Survey and analysis of noise by generating plants in some parts of the University of Calabar, Cross River state Nigeria. Int. J. Res. Agric. Food Sci., 1: 8-15.
11. Iheancho, S.B.C., O. Rufus and O.C. Bassey. 2013. Information and communication technology and implication for sports management in Nigerian universities sports organizations in the 21st century. Mediterr. J. Social Sci. Rome., 4: 113-118.
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12. Okoro, R.C., 2011. The need for increased Information technology (IT) out sourcing participation in Nigeria. Calabar J. Liberal Stud., 15: 141-150.
13. Okoro, R.C., U.R. Ogbuagu and E.O. Ukem, 2010. Durability of hard disk types in tropical and less developed economies. Sch. Comput. Inform. Syst., 14: 18-22.
14. Okoro, R.C., 2010. Character application in data security. the substitution method. Calabar J. Liberal Stud., 13: 52-60.
15. Okoro, R.C. and I.J. Inyang, 2010. Effect of air traffic noise on residents of Ekpo Abasi Street Calabar cross river state, Nigeria. J. Basic Phys. Res., 1: 48-53.
16. Okoro, R.C., M.U. Onuu and U.E. Asuquo, 2009. Data security using cryptographic approach. Int. J. Inform. Commun. Technol., 14: 77-83.
17. Okoro, R.C., 2009. Survey and analyses of computer software usage in Calabar metropolis, cross river state, Nigeria. Inform. Technol., 6: 81-86.
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18. Okoro, R.C. and M.U. Onuu, 2009. User-response study of computer networking cables in Parts of South-Eastern Nigeria. J. Applied Sci. Res., 5: 2126-2130.
19. Okoro, R.C., A.I. Menkiti and M.U. Onuu, 2008. Choice of computer networking cables and their effect on data transmission. Global J. Pure Applied Sci., 14: 432-437.
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20. Okoro, R.C., A.I. Menkiti and E.E. Williams, 2008. Survey of computer networking cables use in akwa ibom, cross river imo and rivers states of Nigeria. Int. J. Phys. Sci. India., 20: 59-64.
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21. Okoro, R.C. and Z. Lipcsey, 2008. Information technology IT projects and power source: A critical parameter in Nigeria. Int. J. Nat. Applied Sci., 3: 112-118.
22. Itam, M.O., A.I. Menkiti, M.U. Onuu, D.E. Bassey and R.C. Okoro, 2008. Measurements and analyses of key performance indices of telephone traffic in kaduna and kano metropolises. Global J. Pure Applied Sci., 14: 467-471.
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23. Ekabua, O.O., E.E. Williams, I. Eteng, and R.C. Okoro, 2008. Exploiting web based ecosystems for use in web based learning. J. Mobile Commun., 2: 46-51.
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24. Asuquo, U.E. and R.C. Okoro, 2008. Construction and operation of a clap light switch. Global J. Eng. Res., 7: 67-70.
25. Akpan, S.S., E.E. Williams, T.A. Ugbe, E.O. Ukem and R.C. Okoro, 2008. On application of random number generator to the production of recharge pin code. Ultra Sci. Phys. Sci., 20: 567-574.
26. Okoro, R.C. and E. Williams, 2007. Software reliability of the commonly used software in Nigeria. Int. J. Phys. Sci. India., 20: 25-32.
27. Lipcsey, Z., E.E. Williams, E.O. Ukem and R.C. Okoro, 2006. User and developers expectations in software products. Int. J. Nat. Applied Sci., 1: 111-114.
28. Williams, E.E., R.C. Okoro and Z. Lipcsey, 2004. An alternative tool for research in phonetics: Computer based speech signal processing. Global J. Pure Applied Sci., 10: 459-464.
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29. Okoro, R.C. and A.I. Menkiti, 2003. Computer networking using optic fibre cable. Nigeri. J. Phys., 15: 85-87.