00584naa#a2200181#i#450# EN\\bibl\119689 20260501195404.5 2413-046X 20260421b2026####ek#y0engy0150####ca RU THE DISCOUNT SPECTRUM METHOD FOR ASSESSING THE RELIABILITY OF INVESTMENT PROJECTS Journal article Moscow Electronic science 2026 21 с. Journal article local государственные. 330.322.14 Belova Lyubov' Aleksandrovna Chechulin Aleksey Anatol'evich iacj.ru