{{cite journal | last1=Iqbal | first1=Z. | author2=M. A. Rashid | author3=T. N. Pasha | author4=J. A. Bhatti | year=2019 | title=EFFECT OF FEEDING VARYING LEVELS OF PALM KERNEL CAKE ON PRODUCTION PERFORMANCE AND BLOOD METABOLITES OF LACTATING CROSSBRED DAIRY CATTLE | journal=Journal of Animal and Plant Sciences | volume=29 | issue=2 | pages=419-424 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2019-JAPS-210}}