WARUIRU, R M, et al. “Comparative Efficacy of Ivermectin, Albendazole, Levamisole and Rafoxanide Against Gastrointestinal Nematode Infections in Goats”. The Indian Journal of Animal Sciences, vol. 73, no. 2, Aug. 2014, https://epubs.icar.org.in/index.php/IJAnS/article/view/42862.