{{cite journal | last1=Durrani | first1=Najam-us-Sahar | author2=D. Ahmad | author3=A. Jalal | author4=H. Rajab andM. S. Khan | year=2017 | title=THE EFFECT OF EXPLANT SOURCES AND GROWTH REGULATORS ON CALLUS INDUCTION AND REGENERATION IN DIFFERENT TOMATO CULTIVARS | journal=Journal of Animal and Plant Sciences | volume=27 | issue=2 | pages=481-489 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2017-JAPS-61}}