NESIPBEKOV, Y. N. .; APPAKOVA, G. INVESTMENT PORTFOLIO SET-UP IN TERMS OF JSC NC "KAZAKHSTAN TEMIR ZHOLY" . Academic Journal of Physical and Chemical Sciences, [S. l.], n. 6, p. 106–110, 2018. DOI: 10.32014/2018.2518-1483.37. Disponível em: http://89.250.84.46/reports-science/article/view/4575. Acesso em: 16 дек. 2025.