{{cite journal | last1=Tahir | first1=N. Abdul-Razzak | author2=N. S. Ahmad | author3=K. M. Mustafa | author4=D. D. L. Kareem | year=2020 | title=DIVERSITY MAINTENANCE OF SOME BARLEY (HORDEUM SPP) GENETIC RESOURCES USING SSR-BASED MARKER | journal=Journal of Animal and Plant Sciences | volume=31 | issue=1 | pages=221-234 | doi=10.36899/JAPS.2021.1.0209 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=Biot-19-0005}}