Zokirjon, Mamadjanov, and Mukhtorjon Sobirov. “CENTRAL RESIN PHOSPHORITE HYDROCHLORIC ACID DECOMPOSITION PRODUCTS, OBTAINING NPK-FERTILIZERS ON THE BASIS OF UREA AND POTASSIUM CHLORIDE”. The journal of contemporary issues in business and government 27, no. 5 (October 30, 2021): 2472–2474. Accessed July 18, 2024. https://cibgp.com/au/index.php/1323-6903/article/view/2101.