Kustantinah, R. Adiwinarti, I. Budisatria, Rusman, and E. Indarto, “Improved Productivity of Kacang Goats Reared by Farmers Using Balanced Rations with Different Sources of Protein”, Pak. J. Nutr., vol. 16, no. 9, pp. 672–677, Aug. 2017, doi: 10.3923/pjn.2017.672.677.