Y. Laura, A. Adyatama, Y. Indra, Y. Achadri, and C. Airin, “The Effect of Different Physiological Reproduction Conditions on Estradiol (E2) Residues in Local Raw Milk”, Pak. J. Nutr., vol. 19, no. 3, pp. 127–131, Feb. 2020, doi: 10.3923/pjn.2020.127.131.