Omole, C. “Coding And Encoding Difficulties In Organic Chemistry Nomenclature Among First Year Diploma Students In Abubakar Tatari Ali Polytechnic, Bauchi, Nigeria”. Journal of Research in Education and Society (JRES) , vol. 2, no. 3, Dec. 2011, pp. 20-25, http://icidr.org.ng/index.php/Jres/article/view/1235.