1.
Al–Qaysi B jasim, abdul – kareem F. Sustainable value to the customer through the relationship between quality and marketing. Opción [Internet]. 12 de junio de 2019 [citado 2 de agosto de 2025];340:1165-204. Disponible en: http://www.produccioncientifica.luz.edu.ve/index.php/opcion/article/view/24340