SARATH, T, et al. “Progesterone Impregnated Intra-Vaginal Device and Timed Artificial Insemination (TAI) on Fertility in Repeat Breeding Jersey Crossbred Cows”. The Indian Journal of Animal Sciences, vol. 89, no. 8, Aug. 2019, pp. 853–854, https://doi.org/10.56093/ijans.v89i8.93016.