Ach Bagus Adhiluhung Mardhotillah and Inggit Kentjonowaty, “Income Over Feed Cost and Efficiency Protein Ratio (PER) BoerPE Goats Through Different Content of Crude Protein Levels: Income Over Feed Cost dan Efficiency Protein Ratio (PER) Kambing BoerPE Melalui Perbedaan Kadar Protein Kasar”, JT, vol. 14, no. 1, pp. 231–238, June 2023.