Waworuntu, G., Hanelin, G.A., Wiyanto, L.D., Laysandra, L. and Soetaredjo, F.E. 2019. PREPARATION OF ANTIBACTERIAL BENTONITE β LACTAM ANTIBIOTIC COMPOSITE. EQA - International Journal of Environmental Quality. 32, (Jan. 2019), 45–55. DOI:https://doi.org/10.6092/issn.2281-4485/8147.