Imani Khoshkhoo, Mohammad Hossein, y Homayoun Yousefi. «The Relationships Between Marketing Variables and Their Effects on Each Other». Opción 34, no. 1 (junio 10, 2019): 156-195. Accedido abril 18, 2025. https://mail.produccioncientificaluz.org/index.php/opcion/article/view/24029.