{{cite journal | last1=N | first1=M. | author2=Dzulhelmi | author3=S. Suriyanti | author4=M. N. Nursyereen | author5=M. Sugumaran | year=2022 | title=ASSESSMENT ON THE PARENTAL CARE STRATEGY OF THE YELLOW-VENTED BULBUL PYCNONOTUS GOIAVIER IN PERAK, MALAYSIA | journal=Journal of Animal and Plant Sciences | volume=32 | issue=6 | pages=1784-1990 | doi=10.36899/JAPS.2022.6.0587 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=ZLG-21-0006}}