Munawaroh, F., Muharrami, L. K., ., T. and Arifin, Z. (2019) “Synthesis and Characterization of Precipitated CaCO3 from Ankerite Prepared by Bubbling Method”, KnE Engineering, 4(2), pp. 98–104. doi: 10.18502/keg.v1i2.4435.