Pratap, Jitendra, et al. “TRAINING WILLINGNESS AND CONSTRAINTS PERCEIVED BY POULTRY FARMERS IN UTTAR PRADESH ”. Indian Journal of Veterinary Sciences and Biotechnology, vol. 12, no. 1, May 2015, pp. 83-86, https://acspublisher.com/journals/index.php/ijvsbt/article/view/2846.