{{cite journal | last1=Lee | first1=S. A. | author2=B. G. Kim | year=2017 | title=CLASSIFICATION OF COPRA MEAL AND COPRA EXPELLERS BASED ON ETHER EXTRACT CONCENTRATION AND PREDICTION OF ENERGY CONCENTRATIONS IN COPRA BYPRODUCTS | journal=Journal of Animal and Plant Sciences | volume=27 | issue=1 | pages=34-39 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2017-JAPS-05}}