{{cite journal | last1=Khan | first1=M. Z. | author2=T. N. Pasha | author3=U. Farooq | author4=Y. A. Ditta | author5=M. Ilyas | author6=H. Ahmad | year=2012 | title=MAPPING OF CALCIUM AND PHOSPHORUS STATUS OF BUFFALOES IN DIFFERENT CROPPING ZONE OF PUNJAB PROVINCE | journal=Journal of Animal and Plant Sciences | volume=22 | issue=3 | pages=315-318 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2012-JAPS-3038}}