“Effectiveness of calcium chloride in reduction of shoot necrosis incocoa (Theobroma cacao L.) in vitro propagation” (2012) Pelita Perkebunan (a Coffee and Cocoa Research Journal), 28(1), pp. 23–31. Available at: https://mail.ccrjournal.com/index.php/ccrj/article/view/ (Accessed: 1 May 2026).