Khalak, V. et al. 2022. EFFICIENCY OF USING SOME POLYCOMPONENT MATHEMATICAL MODELS OF SELECTION INDICES FOR EVALUATION OF YOUNG PIGS FOR FATTENING AND MEAT QUALITIES. Scientific Progress & Innovations. 2, 2 (Jun. 2022), 197–204. DOI:https://doi.org/10.31210/visnyk2022.02.23.