J. K. Dewi, V. M. L. . Toruan, S. . Paramita, and E. T. . Arung, “A Dermatological Safety Test of a Face Serum Formulation Derived from Honey and Propolis of Stingless Bee from East Kalimantan”, Int. J. Multidiscip. Appl. Bus. Edu. Res., vol. 5, no. 3, pp. 748–754, Mar. 2024, doi: 10.11594/ijmaber.05.03.01.