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<xml><bibliography><APA>Sujan Kumar Chakrabarti และ Sudip Kumar Das. (2019) Surfactant Aided Synthesis of Precipitated Calcium Carbonate Nano-particles from Chicken Egg Shell by Co-precipitation Method. Rangsit University:ม.ป.ท.</APA><Chicago>Sujan Kumar Chakrabarti และ Sudip Kumar Das. 2019. Surfactant Aided Synthesis of Precipitated Calcium Carbonate Nano-particles from Chicken Egg Shell by Co-precipitation Method. ม.ป.ท.:Rangsit University;</Chicago><MLA>Sujan Kumar Chakrabarti และ Sudip Kumar Das.  Surfactant Aided Synthesis of Precipitated Calcium Carbonate Nano-particles from Chicken Egg Shell by Co-precipitation Method.  ม.ป.ท.:Rangsit University, 2019. Print.</MLA></bibliography></xml>
