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». Известия НАН РК. Серия химии и технологии, вып. 4 (сентябрь):44-50. http://189185.vm7pq.group/chemistry-technology/article/view/450.