{{cite journal | last1=Topal | first1=M. | author2=A. M. Yağanoğlu | year=2018 | title=COMPARISON OF QUALITY CHARACTERISTICS IN HONEY USING GREY RELATIONAL ANALYSIS AND PRINCIPAL COMPONENT ANALYSIS METHODS | journal=Journal of Animal and Plant Sciences | volume=28 | issue=1 | pages=252-263 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2018-JAPS-31}}