Gustomo Yamistada, Jessy Novita Sari, Solihin Sayuti, Rustam Aji Rochmat and Puspita Sari (2022) “Effectiveness Of Information Media Against Covid-19 Control In Elementary School Children In Jambi City”, International Journal of Health Engineering and Technology (IJHET), 1(4). doi: 10.55227/ijhet.v1i4.86.