CYCCU TOBING, MARYANI, AND 		BAKTI NASUTION, DARMA.
" Biologi Predator Cheilomenes sexmaculata (Fabr.) (Coleoptera: Coccinellidae) pada Kutu Daun Macrosiphoniela sanborni Gilette (Homoptera: Aphididae)" <em>AGRITROP</em> [Online], (16 November 2012)