{{cite journal | last1=Khan | first1=I. A. | author2=Z. Hussain | author3=T. Bakht | author4=Luqman | year=2018 | title=PLANT SPACING AND MULCHING TOGETHER AFFECT THE PHENOLOGY AND YIELD OF TOMATO CROP | journal=Journal of Animal and Plant Sciences | volume=28 | issue=2 | pages=546-551 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2018-JAPS-224}}