{{cite journal | last1=Yousaf | first1=M. S. | author2=A. Ijaz | author3=K. Ashraf | author4=M. A. Rasheed | author5=A. Hafeez | author6=H. Zaneb | author7=E. Dar | author8=R. Naseer | author9=I. Rabbani | author10=J. Zentek | author11=H. Rehman1 | year=2016 | title=COMPARATIVE EFFECTS OF DIFFERENT DIETARY CONCENTRATIONS OF β-GALACTO-OLIGOSACCHARIDES ON GROWTH PERFORMANCE, FEED CONVERSION EFFICIENCY AND ORGANS DEVELOPMENT IN BROILERS | journal=Journal of Animal and Plant Sciences | volume=26 | issue=6 | pages=1603-1608 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2016-JAPS-210}}