Mohd Zohdi, Rozaini, et al. “Chemical Profile, Physicochemical Properties, and Antioxidant Activity of Malaysian Propolis: Insights from Honeybee and Stingless Bee ”. Journal of Science and Mathematics Letters, vol. 13, no. 1, Jan. 2025, pp. 1-9, https://doi.org/10.37134/jsml.vol13.1.1.2025.