Dilafruz Kuchkorova. “Monopoly Behaviour of the DeBeers Diamond Company”. SAMARALI TA’LIM VA BARQAROR INNOVATSIYALAR JURNALI 3, no. 7 (July 14, 2025): 128–139. Accessed January 26, 2026. https://innovativepublication.uz/index.php/jelsi/article/view/3782.