{{cite journal | last1=Kaleem | first1=M. | author2=A. Ahmad | author3=T. Masud1and G. K. Raja | year=2020 | title=PHYSICO-CHEMICAL ANALYSIS AND OPTIMIZATION OF ULTRASOUND ASSISTED EXTRACTION OF PHYTOCHEMICALS FROM KING’S RUBY GRAPES | journal=Journal of Animal and Plant Sciences | volume=30 | issue=1 | pages=205-211 | doi=10.36899/JAPS.2020.1.0023 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=Food-18-0012}}