TY JOUR TI BALANCED INVESTMENT: ESSENCE OF THE CONCEPT KW balanced investment KW investments KW capital budgeting KW economic efficiency KW project evaluation tools JO Socio-economic and humanitarian magazine AU Kairbaev, A.A. AU Erygina, L.V. AU Shaporova, Z.E. PY 2025 IS 0 PB Krasnoyarsk State Agrarian University