Alamkhon Turdalievich Saidmamatov, Akmal Olimjanovich Egamberdiev, Bakhtiyor Maqsud oglu and Damira Gulomjonovna Akramova 2021. MATHEMATICAL MODEL OF THE OPTIMIZATION PROBLEM TAKING INTO ACCOUNT A NUMBER OF FACTORS. European Journal of Research Development and Sustainability. 2, 3 (Mar. 2021), 1-2.