Maksum E, Murtiningsih M, Inayah I. Systematic Review: Snake and Ladder Game about Covid-19 Protocol and Student Health Education. J Keskom [Internet]. 2022 Dec. 15 [cited 2024 Dec. 21];8(3):453-62. Available from: https://jurnal.htp.ac.id/index.php/keskom/article/view/1099