DILAFRUZ KUCHKOROVA. Monopoly behaviour of the DeBeers Diamond Company. NAZARIY VA AMALIY FANLARDAGI USTUVOR ISLOHOTLAR VA ZAMONAVIY TA’LIMNING INNOVATSION YO’NALISHLARI, [S. l.], v. 1, n. 7, p. 30–33, 2024. Disponível em: https://innovativepublication.uz/index.php/NUZY/article/view/1638. Acesso em: 5 mar. 2026.