Aliyev Axmadjon Azimjon o’g’li. 2025. “Shаrtnomа Mаjburiyatlаri Lozim Darajada Bajarilmaganligining Huquqiy Oqibаtlаri”. Journal of Innovation in Education and Social Research 3 (6):225-27. https://journals.proindex.uz/index.php/JIESR/article/view/2583.