Elvina Clarie Dullah, Nur Syahadatain Abdul Razak and Clarence M. Ongkudon (2023) “The Effects of Magnesium, Zinc and Calcium Ions on Endotoxin-Plasmid DNA Interaction at Various Cation Concentrations, pH Values and Incubation Times”, Borneo International Journal of Biotechnology (BIJB), 3, pp. 135–146. doi: 10.51200/bijb.v3i.4719.