Syifa Yulia Lestari. “Syif’s Doll Smart Model As an Effort to Reduce Status of Debris Index in Elementary School Children”. International Journal of Allied Medical Sciences and Clinical Research 7, no. 3 (August 14, 2020): 1013–1018. Accessed May 15, 2024. https://ijamscr.com/ijamscr/article/view/769.