B.SH.Qosimov, B.A.Tursunov. PORTLANDSEMENT ISHLAB CHIQARISHNING ISTIQBOLLARI. ZT [Internet]. 2025 Jan. 15 [cited 2025 Jan. 31];3(1):53-8. Available from: http://zamtadqiqot.uz/index.php/zt/article/view/1026