Chukwuemeka, I. K., O. Onyekwere, and O. D. Ugochukwu. “Semiotic Analysis of the Political Advertisements of APC and PDP Presidential Candidates in the 2015 Elections in Nigeria”. The International Journal of Humanities & Social Studies, vol. 7, no. 11, Nov. 2019, doi:10.24940/theijhss/2019/v7/i11/HS1908-045.