Amin, M., M. Mostofa, M. Awal, and S. Hakim. “Comparative Efficacy of Tobacco, Jute and Levavet<sup>®</Sup> Against Gastrointestinal Nematodes in Cattle”. Progressive Agriculture, vol. 19, no. 1, Nov. 2013, pp. 61-68, doi:10.3329/pa.v19i1.17108.