Islam, M. et al. 2015. Comparative efficacy of Albendazole, Fenbendazole and Levamisole against gastrointestinal nematodiasis in cattle of Bangladesh. International Journal of Biological Research. 3, 1 (Mar. 2015), 25–35. DOI:https://doi.org/10.14419/ijbr.v3i1.4301.