SWARNKAR, C.P. and SINGH, D. 2012. Seasonal variation in efficacy of anthelmintics and prevalence of anthelmintic resistance in gastrointestinal nematodes of sheep in Rajasthan. The Indian Journal of Animal Sciences. 82, 5 (May 2012). DOI:https://doi.org/10.56093/ijans.v82i5.17671.