{{cite journal | last1=Bibi | first1=A. | author2=M. A. Khan | author3=M. Adil | author4=Z. U. R. Mashwani | year=2018 | title=PRODUCTION OF CALLUS BIOMASS AND ANTIOXIDANT SECONDARY METABOLITES IN BLACK CUMIN | journal=Journal of Animal and Plant Sciences | volume=28 | issue=5 | pages=1321-1328 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2018-JAPS-511}}