Pacaldo, Florina O., and Catherine C. Arradaza. “Influence of Plant Growth Regulators and UV Light Exposure on the Formation and Phenolic Content of Stevia Rebaudiana Bertoni Callus: A Preliminary Study”. Annals of Tropical Research 43, no. 2 (December 27, 2021): 88–101. Accessed January 31, 2025. https://atr.vsu.edu.ph/article/view/68.