Imani Khoshkhoo, M. H. y Yousefi, H. (2019) «The relationships between marketing variables and their effects on each other», Opción, 34(1), pp. 156-195. Disponible en: https://www.produccioncientificaluz.org/index.php/opcion/article/view/24029 (Accedido: 28abril2024).