Noor, M, C Lüken, PM Das, MR Islam, and H Müller. 2015. “Regeneration of a Recombinant Infectious Bursal Disease Virus Having Four Amino Acid Substitutions in VP2 by Reverse Genetics”. Bangladesh Veterinarian 31 (1):12-19. https://doi.org/10.3329/bvet.v31i1.22838.