Ningrum, A., and J. Jumaeri. “Preparation of Magnesium Oxide Nanoparticles from a Sea Water Bittern As an Antibacterial Agent Against Escherichia Coli”. Indonesian Journal of Chemical Science, Vol. 11, no. 1, May 2022, pp. 9-15, doi:10.15294/ijcs.v10i3.51041.