Popova, Margarita Igorevna, Elena Vitalievna Popova, Alina Dmitrievna Gogina, and Valeria Denisovna Lukashova. “Direct Methods of Evaluating Alternatives As a Tool Formation of an Investment Portfolio”. Modern Economics: Problems and Solutions 20 (February 21, 2024): 19-29. Accessed December 5, 2025. https://journals.vsu.ru/meps/article/view/11887.