{{cite journal | last1=Demir | first1=İ. | year=2020 | title=INTER AND INTRA ROW COMPETITION EFFECTS ON GROWTH AND YIELD COMPONENTS OF SUNFLOWER (HELIANTHUS ANNUUS L.)  UNDER RAINFED CONDITIONS | journal=Journal of Animal and Plant Sciences | volume=30 | issue=1 | pages=147-153 | doi=10.36899/JAPS.2020.1.0017 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=AG-19-0120}}