فهرس المقالات Peter Ezimadu المقاله 1 - Modeling the Effect of Advertising and Subsidy Transfer in a Three-Level Channel Using Game Theory 10.30495/jiei.2023.1965809.1245 Peter Ezimadu Joshua Apanapudor Sophia Ezimadu Journal of Industrial Engineering International , العدد 5 , السنة 18 , پاییز 2022