Lawendy Talaat A.B., Young Peter A. Anionic flotation of Hazard phosphate ores // TIZ-Fachber. –Pakistan. -1984. -108. -No 9. -Рр. 568-573.

Tariq F. Al-Fariss, Farag A. Abd El-Aleem, Khaled A. El-Nagdy. Beneficiation of Saudi phosphate ores by column flotation technology // Journal of King Saud University – Engineering Sciences. -2013. –No 25. -Рр.113–117.

Lim H.H., Gilkes R.J. Beneficiation of apatite rock phosphates by calcination: Effects on chemical properties and fertilizer effectiveness //Australian journal of soil research. –Australia. -2001. -Vol.39. –N 2. -Рр.397-402.

Patent of USA. Method of treatment of the phosphate rocks / Wengeler Wilhelm, Volstein Friedrich, Hoffmann Egbert. Class. 423/167, С 01, 25/01.-No 181703. -01.01.80.

Dekhkanov ZK, Ibragimov I.G., Namazov Sh.S., Seitnazarov A.R., Sadykov B.B., Zakirov B.S. Obtaining extraction phosphoric acid from a chemically enriched phosphoconcentrate of phosphorites of the Central Kyzyl Kum // Uzbek chemical journal. -2011. -No 3. -Pp. 51-55. (in Russian)

Dekhkanov ZK, Sultonov BE, Namazov Sh.S., Zakirov BS. Complex-mixed fertilizers based on phosphoconcentrate of phosphorites of the Central Kyzyl Kum and potassium chloride // Chemistry and Chemical Technology. Scientific and technical journal. - 2012. - No. 3. –Pp. 8-11. (in Russian)

Namazov Sh.S., Reimov A.M., Mirzakulov H.Ch., Yakubov R.Ya., Beglov B.M. Obtaining nitrocalcium phosphate and nitrocalcium sulfophosphate fertilizers from ordinary phosphate rock of the Central Kyzyl Kum on a model laboratory acid plant // Chemical Industry. - St. Petersburg, 2004. - T. 81, No. 12. - P. 604-610. (in Russian)

Radjabov R.R. Pilot plant for producing nitrocalcium phosphate fertilizer // Chemical technology. Control and management. - Tashkent. -2006. - No 3. – P. 5-11. (in Russian)

Radjabov R.R. Evaporation of nitrocalcium phosphate pulp // Chemical technology. Control and management. -Tashkent. -2006. -No4. –Pp. 9-12. (in Russian)

Radjabov R.R. Scheme of utilization of low-grade heat in the production of nitrophosphate fertilizer // Chemical technology. Control and management. - Tashkent. -2008. - No. 1. - S. 15-20. (in Russian)

Shamuratova M.R., Sultonov B.E., Namazov Sh.S., Kaimakova D.A. Obtaining a precipitate based on washed roasted concentrate // Universum: technical sciences. -Moscow. -2017. -Pp. 30-36. (in Russian)

Shamuratova M.R., Sultonov B.E., Namazov Sh.S. The influence of some technological parameters on the process of precipitinogen the hydrochloric acid extraction of phosphates. // Chemical Science International Journal. -2018. -Pp. 2-7. (in Russian)

Shamuratova M.R., Sultonov B.E., Namazov Sh.S., Radjabov R.R. Influence of the quantity and temperature of washing water on the quality of precipitates obtained on the basis of mineralized mass and hydrochloric acid. // Uzbek scientific-technical and production journal. No1 / 2019. P. 76-79. (in Russian)

Shamuratova M.R., Sultonov B.E., Namazov Sh.S. Study of rheological properties of acidic and neutralized hydrochloric-phosphoric acid suspensions and pulps obtained on the basis of phosphorites of the Central Kyzyl Kum. // Bulletin of the National Uzbek University. 2018. P. 542-546.

Shamuratova M.R., Sultonov B.E., Namazov Sh.S. Hydrochloric acid obtaining of precipitate on base of phosphorite flour from Kyzylkum phosphorites. // International journal of Resent Advancement in Engineering and Research. Volume 4, Issue 2. February 2018. Pp 8-13. (in Russian)

Shamuratova M.R., Namazov Sh.S., Reimov A.M., Sultonov B.E. Physicochemical and commercial properties of precipitates obtained on the basis of hydrochloric acid processing of the mineralized mass of phosphorites of the Central Kyzyl Kum. // Monthly scientific and practical journal Approbation, Makhachkala, Russia, 2017.3 (54), pp. 33-37 (in Russian)

Methods of analysis of phosphate raw materials, phosphoric and complex fertilizers, forage phosphates / MM Vinnik, LN Erbanova, PM Korolev. Zaitsev et al. - M .: Chemistry, 1975.218 p. (in Russian)