“The Effect of Melatonin Application and Watering Frequency on the Growth of Cocoa Seedlings (Theobroma Cacao L.)”. Pelita Perkebunan (a Coffee and Cocoa Research Journal) 41, no. 2 (August 31, 2025): 101–108. Accessed May 10, 2026. https://ccrjournal.com/index.php/ccrj/article/view/644.