Singphan, Nootjaree, and Sureepon Yoddee. 2020. “In Vitro Growth of Dioscorea Alata L. By Different Concentrations of Mannitol”. Health Science, Science and Technology Reviews 13 (1):21-25. https://li01.tci-thaijo.org/index.php/journalup/article/view/221381.