Bantugan, S. and Escaño, J. (1980) “EFFECT OF BONE MEAL SUPPLEMENT ON REPRODUCTION OF MELENGESTROL ACETATE. SYNCHRONIZED NATIVE CATTLE”, Annals of Tropical Research, 2(1), pp. 54–57. Available at: https://atr.vsu.edu.ph/article/view/840 (Accessed: 5 December 2025).