{{cite journal | last1=Aguzey | first1=H. A. | author2=Z.H. Gao1 | author3=H.H. Wu | author4=G.L. Cheng | author5=Z.M. Wu | author6=J.H. Chen | author7=Z.L. Niu | year=2020 | title=ENZYMATIC TREATMENT OF PALM KERNEL CAKE IMPROVES INTESTINAL HEALTH, GUT MICROBIOTA AND IMMUNE SYSTEM OF BROILERS | journal=Journal of Animal and Plant Sciences | volume=30 | issue=2 | pages=517-526 | doi=10.36899/JAPS.2020.3.0061 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=VS-18-0075}}