{{cite journal | last1=Riaz | first1=H. M. | author2=S. Chohan | author3=M. Abid | year=2021 | title=OCCURRENCE OF TOMATO EARLY BLIGHT DISEASE AND ASSOCIATED ALTERNARIA SPECIES IN PUNJAB, PAKISTAN | journal=Journal of Animal and Plant Sciences | volume=31 | issue=5 | pages=1352-1365 | doi=10.36899/JAPS.2021.5.0337 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=AG-20-0118}}