Wiryadiputra S. Establishment of Black Ant (Dolichoderus thoracicus)on Cocoa Plantation and Its Effects on Helopeltisspp. Infestation. PelitaPerkebunan [Internet]. 1May2007 [cited 19Oct.2024];23(1). Available from: https://mail.ccrjournal.com/index.php/ccrj/article/view/50