Kurniawan J, Dewi O, Leonita E, Nurlisis N, Muryanto I. The Effectiveness of Youtube Modified Crossword Puzzle to Promote Oral and Dental Health Towards Students of Elementary School 015 Sungai Sirih. J Keskom [Internet]. 2021 Apr. 30 [cited 2024 Apr. 18];7(1):90-6. Available from: https://jurnal.htp.ac.id/index.php/keskom/article/view/865