{{cite journal | last1=Rashid | first1=A. | author2=K. Rasheed | year=2009 | title=THE ALTERNATIVES TO VACCINATION | journal=Journal of Animal and Plant Sciences | volume=19 | issue=3 | pages=165-167 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2009-JAPS-304}}