Mehrochev Barot Botir o’g’li,. EKIN EKISH NORMASI VA HOSILDORLIKNING MATEMATIK TAHLILI . ilmiy [Internet]. 2024 Jun. 3 [cited 2024 Nov. 14];39(3):154-6. Available from: http://tadqiqotlar.uz/index.php/new/article/view/3580