Tayeng, K., et al. “Polymorphism of BoLA-DRB3.2 Gene in Indian Holstein Crossbred Cattle by Polymerase Chain Reaction-Restriction Fragment Length Polymorphism”. International Journal of Livestock Research, vol. 9, no. 3, Mar. 2019, pp. 13-20, doi:10.5455/ijlr.20180826072302.