Srifah, Pattana, and Thira Sutabutra. “Some Properties of a Virus Causing Mosaic Symptom of Amaryllis”. Agriculture and Natural Resources 19, no. 1 (January 1, 1985): 26–31. accessed September 18, 2026. https://li01.tci-thaijo.org/index.php/anres/article/view/241131.