“The Effect of Chitin on the Effectiveness of Beauveria Bassiana Formulation Product to Control Cocoa Pod Borer in Vitro”. E-Journal Menara Perkebunan 92, no. 1 (April 19, 2024). Accessed October 25, 2026. http://mp.iribb.org/index.php/mpjurnal/article/view/550.