Simpen, I. N., Negara, I. M. S. and Jayanto, S. D. (2020) “ACTIVATED ADSORBENT PREPARED FROM BOVINE BONE WASTE: PHYSICO-CHEMICAL CHARACTERISTICS, ISOTHERM AND THERMODYNAMICS ADSORPTION OF CHROMIUM IONS IN WASTEWATER”, International Journal of Engineering Technologies and Management Research, 7(3), pp. 1–11. doi: 10.29121/ijetmr.v7.i3.2020.534.