{{cite journal | last1=Akhtar | first1=P. | author2=U. Kalsoom | author3=S. Ali | author4=M. Yaqoob | author5=K. Javed | author6=M. E. Babar | author7=M. I. Mustafa | author8=J. I. Sultan | year=2012 | title=GENETIC AND PHENOTYPIC PARAMETERS FOR GROWTH TRAITS OF NILI-RAVI BUFFALO HEIFERS IN PAKISTAN | journal=Journal of Animal and Plant Sciences | volume=22 | issue=3 | pages=347-352 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2012-JAPS-3046}}