Teixeira da Silva, J. A. “Photoauto-, Photohetero- and Photomixotrophic in vitro Propagation of Papaya (Carica papaya L.) and Response of Seed and Seedlings to Light-emitting Diodes”. Science & Technology Asia, vol. 19, no. 1, Mar. 2014, pp. 57-71, https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/17078.