N. Hidayat, S. Aminah, and N. L. Rahmah, “OPTIMASI PROTEIN DAN TOTAL PADATAN TERLARUT DALAM EKSTRAK CACING TANAH (Lumbricus rubellus)[Optimization of Protein and Total Soluble Solids in Earthworm (Lumbricus rubellus) Extract]”, JTIHP, vol. 23, no. 1, pp. 13–20, Mar. 2018.