Gulchehra Yuldashevna Qodirova. TABIIY FAOL MINERAL QO‘SHIMCHALAR YORDAMIDA PORTLANDSEMENTNING KIMYOVIY TARKIBINI YAXSHILASH. RAE [Internet]. 2023 Feb. 28 [cited 2024 Nov. 17];2(2):196-200. Available from: https://researchedu.org/index.php/re/article/view/1843