{{cite journal | last1=Ahmad | first1=S. | author2=M. S. Sajid | author3=R. Tabassum | author4=R. M. Siddique | author5=M. Imran | author6=M. A. Malik | year=2020 | title=COMPARATIVE IN VIVO EFFICACY OF ORAL FORMULATIONS OF IVERMECTIN AND LEVAMISOLE AGAINST NATURAL HELMINTH INFECTION IN SMALL RUMINANTS | journal=Journal of Animal and Plant Sciences | volume=31 | issue=1 | pages=77-85 | doi=10.36899/JAPS.2021.1.0195 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=VS-19-0017}}