L. KAZBEKOVA; K. UTEGENOVA; A. AKHMETOVA; Z. KORZHYNBAYEVA. THE ESSENCE AND TYPES OF COMPETITIVE STRATEGIES. «Доклады НАН РК», [S. l.], n. 6, p. 150–157, 2019. Disponível em: http://189185.vm7pq.group/reports-science/article/view/1809. Acesso em: 22 фев. 2025.