Berdiev Sanjar Allanazarovich. PREPARATION OF PR-1 COMPOUND BASED ON LOCAL RAW MATERIALS AND STUDY OF ITS PHYSICOCHEMICAL PROPERTIES. ajast [Internet]. 2023 Nov. 30 [cited 2025 Mar. 14];3(11):11-6. Available from: https://theusajournals.com/index.php/ajast/article/view/1948