Santoso, A. Gunawan, C. Sumantri, R. I. Arifiantini, and Herdis, “Differential Expressions of Protamine 1 (PRM1) and Protamine 2 (PRM2) Genes as Markers of Semen Quality in Pasundan Bulls”, Trop. Anim. Sci. J., vol. 45, no. 4, pp. 423–428, Nov. 2022, doi: 10.5398/tasj.2022.45.4.423.