Roivainen, Päivi. “The in Vivo Growth and Development of Micropropagated Elatior Begonias (Begonia X hiemalis): I. Study on the Effect of Lighting and Substrate ”. Agricultural and Food Science 59, no. 5 (December 1, 1987): 387–396. Accessed May 17, 2024. https://journal.fi/afs/article/view/72272.