TY JOUR TI MODELLING THE CAUSES OF FOOD LOSS IN FRESH TOMATO SUPPLY CHAINS KW tomatoes KW supply chain KW food loss KW loss causes KW interpretive structural modeling KW cross-factor influence method KW independent causes JO Bulletin of KSAU AU Chernyavskaya, Y.N. AU Yakovleva, T.V. AU Pershakova, T.V. AU Kupin, G.A. PY 2026 IS 0 PB Krasnoyarsk State Agrarian University