SH. MAMATKOBILOV. MODERN MARKETING CONCEPT: MARKETING CONCEPT AND ITS TYPES. International journal of economic perspectives, [S. l.], v. 18, n. 7, p. 50–58, 2024. Disponível em: https://ijeponline.com/index.php/journal/article/view/912. Acesso em: 24 nov. 2024.