Karsum Udin. Modification of problem-based learning and role play models to skills early detection of dental caries. Int. J. of Allied Med. Sci. and Clin. Res. [Internet]. 2020 Aug. 11 [cited 2025 Apr. 23];6(4):790-4. Available from: https://ijamscr.com/ijamscr/article/view/588