Agu AO, Joy Nwakaego C-N, Uzonna N-O. Effect of Advertising on product growth of Techno Phone in Enugu State, Nigeria. JORM [Internet]. 2017 Dec. 31 [cited 2025 Oct. 12];8(2):675-83. Available from: https://techmindresearch.org/index.php/jorm/article/view/734