DAS, S C, et al. “Comparison of Competitive ELISA, Indirect ELISA and Agar-Gel Precipitation Test for the Detection of Bluetongue Virus Antibodies in Sheep”. The Indian Journal of Animal Sciences, vol. 67, no. 12, Nov. 2013, https://epubs.icar.org.in/index.php/IJAnS/article/view/35141.