Alhammadi, Arif Saeed A. “High Pigments and Atroviolacea Double Mutant of Tomato (Solanum Lycopersicum) With High Pigments Content”. University of Aden Journal of Natural and Applied Sciences 21, no. 2 (August 31, 2017): 291–296. Accessed April 4, 2025. https://uajnas.adenuniv.com/index.php/uajnas/article/view/253.