TY JOUR TI IMPROVEMENT OF METHODOLOGICAL SUPPORT FOR CONTROL OF THE AVAILABILITY AND SAFETY OF STOCKS IN THE ENTERPRISE MANAGEMENT SYSTEM KW internal control KW inventory KW internal control working document KW test KW internal control program JO Vestnik of Kazan State Agrarian University AU Klychova, G.S. AU Zakirova, A.R. AU Zalilova, Z.A. AU Gimadiev, I.M. PY 2021 IS 16 PB Kazan state agrarian University