{{cite journal | last1=Niaz | first1=A. | author2=M. Yaseen | author3=M. Arshad | author4=R. Ahmad | year=2015 | title=RESPONSE OF MAIZE YIELD, QUALITY AND NITROGEN USE EFFICIENCY INDICES TO DIFFERENT RATES AND APPLICATION TIMINGS | journal=Journal of Animal and Plant Sciences | volume=25 | issue=4 | pages=1022-1031 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2015-JAPS-137}}