{{cite journal | last1=Ayub | first1=M. | author2=M. A. Nadeem | author3=M. Naeem | author4=M. Tahir | author5=M. Tariq | author6=W. Ahmad | year=2012 | title=EFFECT OF DIFFERENT LEVELS OF P AND K ON GROWTH, FORAGE YIELD AND QUALITY OF CLUSTER BEAN (C YAMOPSIS TETRAGONOLOBUS L.) | journal=Journal of Animal and Plant Sciences | volume=22 | issue=2 | pages=NA | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2012-JAPS-240}}