Kussainov Ч. DIFFERENTIATION OF INVESTMENT RISKS BASED ON FUZZY FINANCIAL INDICATORS. Bulletin of Abai KazNPU. Series of Physical and mathematical sciences, Almaty, Kazakhstan, v. 80, n. 4, p. 163–168, 2022. DOI: 10.51889/5346.2022.49.53.019. Disponível em: https://bulletin-phmath.kaznpu.kz/index.php/ped/article/view/793. Acesso em: 10 apr. 2025.