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		Gago, J., & 		Ngapa, Y.
2021 May 31.  PEMANFATAAN  CANGKANG TELUR AYAM SEBAGAI MATERIAL DASAR DALAM SINTESIS HIDROKSIAPATIT DENGAN METODE PRESIPITASI BASAH. CAKRA KIMIA (Indonesian E-Journal of Applied Chemistry). [Online] 9:1