{{cite journal | last1=Medjekal | first1=S. | author2=M. Guetouache | author3=M. Ghadbane | author4=A. Z. M. Salem | year=2023 | title=CHEMICAL COMPOSITION AND IN VITRO RUMEN BIOGAS PRODUCTION OF SOME PERENNIAL PLANTS SPECIES | journal=Journal of Animal and Plant Sciences | volume=33 | issue=4 | pages=998-1005 | doi=10.36899/JAPS.2023.4.0693 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=AS-21-0092}}