Zhantasov K.T., Shaimerdenova G.S., Dzhanmuldaeva Zh.K., Kadirbayeva A.A. и Mussirepova E.B. (2020) «ON THE PRODUCTION OF PURIFIED DIAMMONIUM PHOSPHATE FROM EXTRACTION PHOSPHORIC ACID BASED ON OFF BALANCE ORES OF THE KARATAU BASIN », Academic Scientific Journal of Chemistry, (4), сс. 44–50. доступно на: http://89.250.84.46/chemistry-technology/article/view/450 (просмотрено: 5 декабрь 2025).