Dorji, P., L. Tshering, and Dorjee. “Efficacy of CIDR-Based Protocols for Treatment of Prolonged Postpartum Anoestrus in Jersey Crossbred Cattle on Smallholder Farms”. Bhutan Journal of Natural Resources and Development, vol. 2, no. 1, Jan. 2023, pp. 28-32, doi:10.17102/bjnrd.v2i1.9.