1. Beneficiation of phosphate ore;Carlson Sk;Society for Mining, Metallurgy & Exploration,2014
2. Industrial Minerals and Rocks;M J Lehtinen;Mineral Deposits of Finland,2015
3. A review of the beneficiation of calcareous phosphate ores using organic acid leaching;M Gharabaghi;Hydrometallurgy,2010
4. World phosphate industry;Hijran Toama;Iraqi Bulletin of Geology and Mining,2017
5. Apatites and their Synthetic Analogues -Synthesis, Structure, Properties and Applications;P Pt�?ek;Apatites and their Synthetic Analogues -Synthesis, Structure, Properties and Applications,2016