{{cite journal | last1=Eyduran | first1=E. | author2=Y. Akbaş | year=2010 | title=COMPARISON OF DIFFERENT COVARIANCE STRUCTURE USED FOR EXPERIMENTAL DESIGN WITH REPEATED MEASUREMENT | journal=Journal of Animal and Plant Sciences | volume=20 | issue=1 | pages=44-51 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2010-JAPS-105}}