Nurmakhanovа Г.; Vasilievа М. Service marketing development. Рroblems of engineering and professional education, [S. l.], v. 6, n. 06, p. 23, 2023. DOI: 10.32523/2220-685X-2011-6-06-23. Disponível em: https://bulprengpe.enu.kz/index.php/main/article/view/258. Acesso em: 26 apr. 2024.