Nadya Hafiza Sara Ate, Salfiyadi T. EFFECT OF ONLINE EDUCATION ON INCREASING KNOWLEDGE ABOUT KEEP YOUR TEETH CLEAN AND MOUTH OF STUDENTS OF CLASS VIII-2 SMP STATE 1 DARUL IMARAH. DHeJA [Internet]. 2022 Jul. 28 [cited 2024 Sep. 19];1(1):68-75. Available from: https://journal.poltekkesaceh.ac.id/index.php/dheja/article/view/53