W. Nasution, A. N. Nasution, and S. L. R. Nasution, “Earthworm Extract Lumbricus Rubellus and Pheretima SP Against Salmonella Typhi and Staphylococcus Aureus Bacteria: A Literature Review ”, JCHP, vol. 1, no. 3, pp. 1-6, Dec. 2021.