DAS, SUTOPA, N N BARMAN, K BAISHYA, D K SARMA, and N KALITA. 2013. “Comparative Evaluation of ELISA and Agar Gel Precipitation Test for Detection of Infectious Bursal Disease Viral Antigens”. The Indian Journal of Animal Sciences 70 (1). https://epubs.icar.org.in/index.php/IJAnS/article/view/35457.