TY JOUR TI Practical application of elementary fundamental analysis for investing in enterprises shares of the non-primary minerals sector KW fundamental analysis KW investments KW analytical indicators of stocks KW intrinsic value KW fair value KW non-primary minerals JO Economic and Social Research AU Polukhina, S.A. AU Milova, A.I. AU Podik, V.D. PY 2023 IS 0 PB National Research University of Electronic Technology