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Puspita, Roza, Resti Rahayu, Mairawita Mairawita, Nasril Nasir, & Nurmansyah Nurmansyah.
" The Toxic Effect of Essential Oil from Waste Cinnamon (Cinnamomum burmanii (Nees &amp; T. Nees) Blume.) Leaf to Control Helopeltis antonii Signoret in Cocoa Plants in Vitro." <em>Metamorfosa: Journal of Biological Sciences</em> [Online], 6.1 (2019): 51-57. Web.  9 Sep. 2026