{{cite journal | last1=Shahzad | first1=F. | author2=M. Shafee | author3=F. Abbas | author4=S. Babar | author5=M. M. Tariq | author6=Z. Ahmad | year=2012 | title=ISOLATION AND BIOCHEMICAL CHARACTERIZATION OF RHIZOBIUM MELILOTI FROM ROOT NODULES OF ALFALFA ( MEDICO SATIVA) | journal=Journal of Animal and Plant Sciences | volume=22 | issue=2 | pages=522-524 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2012-JAPS-247}}