K.C., M., B. R. Joshi, S. P. Shrestha, M. Prajapati, D. Kathayat, and S. Dhakal. “Sero-Prevalence of Porcine Reproductive and Respiratory Syndrome (PRRS) in Pigs of Different Developmental Regions of Nepal”. International Journal of Applied Sciences and Biotechnology, Vol. 3, no. 2, June 2015, pp. 218-22, doi:10.3126/ijasbt.v3i2.12539.