Zhantasov K.T., Shaimerdenova G.S., Dzhanmuldaeva Zh.K., Kadirbayeva A.A., и Mussirepova E.B., «ON THE PRODUCTION OF PURIFIED DIAMMONIUM PHOSPHATE FROM EXTRACTION PHOSPHORIC ACID BASED ON OFF BALANCE ORES OF THE KARATAU BASIN », SCT, вып. 4, сс. 44–50, сен. 2020.