Lubis, Erwin Junaidi. “Effectiveness of Local Microorganisms from Glysine Max Dregs in Formulation With Coconut Milk and Degan Coconut Water As a Test for the Effect of Ultisol Soil Fertility”. Journal of Agribusiness and Natural Resources, vol. 1, no. 2, May 2025, pp. 83-92, doi:10.66324/janr.v1i2.127.