Ilyassova К.М.; KAZIYEVA, G.T.; ALIKHANOVA, G.A. Some topical issues of applying temporal norms to previously concluded subsurface use contracts. Bulletin of the Karaganda University “Law Series”, [S. l.], v. 11830, n. 2, p. 134–142, 2025. DOI: 10.31489/2025l2/134-142. Disponível em: https://law-vestnik.buketov.edu.kz/law/article/view/830. Acesso em: 18 may. 2026.