{{cite journal | last1=Batool | first1=H. | author2=M. W. Akhthar | author3=M. Saleem1 | year=2020 | title=CHARACTERIZATION OF A MICROBIAL KERATINASE WITH LEATHER DEHAIRING AND FEATHER WASTE MANAGEMENT POTENTIAL | journal=Journal of Animal and Plant Sciences | volume=31 | issue=4 | pages=1132-1144 | doi=10.36899/JAPS.2021.4.0311 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=Bioch-20-0006}}