RAM, H., SINGH, K., MEENA, H. R., SHARMA, A. K., & RASOOL, T. J. (2011). Efficacy of avermectins against gastrointestinal nematodes of dairy cattle in temperate region ofUttarakhand. The Indian Journal of Animal Sciences, 77(7). https://epubs.icar.org.in/index.php/IJAnS/article/view/5494