{{cite journal | last1=Qamar | first1=M. S. | author2=Mahr-Un-Nisa | author3=M. Sarwar | author4=Zia-Ul-Rahman | author5=T. Huma | year=2016 | title=SUBSTITUTING CORN STEEP LIQUOR WITH UREA AS NITROGEN EQUIVALENCE ON NUTRIENTS INTAKE, DIGESTIBILITY, BLOOD BIOCHEMISTRY AND MILK COMPOSITION IN EARLY LACTATING NILI-RAVI BUFFALOES | journal=Journal of Animal and Plant Sciences | volume=26 | issue=5 | pages=1212-1217 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2016-JAPS-158}}