Sagimbekova А.М. С. А. . Advertising as a source of business promotion. Рroblems of engineering and professional education, [S. l.], v. 53, n. 2, p. 53, 2023. DOI: 10.32523/2220-685X-2019-53-2-53. Disponível em: https://bulprengpe.enu.kz/index.php/main/article/view/240. Acesso em: 21 nov. 2024.