{{cite journal | last1=Hameed | first1=S. | author2=S. Masood | author3=H. Zaneb | author4=M. S. Khan | author5=M. Younis | author6=Habib-ur-Rehman | author7=M. Avais | author8=M. U. R. Khan | year=2017 | title=SEMEN CHARACTERISTICS AS INFLUENCED BY SEASONAL AND CLIMATIC VARIATIONS IN NILI-RAVI BUFFALO BREEDING BULLS | journal=Journal of Animal and Plant Sciences | volume=27 | issue=6 | pages=1750-1757 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2017-JAPS-222}}