{{cite journal | last1=Hussain | first1=S. | author2=M. F. Saleem | author3=A. Ali | author4=J. Iqbal | author5=M. A. Shakir | year=2013 | title=YIELD AND QUALITY IMPROVEMENT OF SUNFLOWER (H ELIANTHUS ANNUUS L.) HYBRID THROUGH ABA APPLICATION UNDER WATER DEFICIT CONDITIONS | journal=Journal of Animal and Plant Sciences | volume=23 | issue=4 | pages=1158-1165 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2013-JAPS-433}}