Hartatik, H. and Purnomo, A. . (2022) “APPLICATION OF THE SIAKAD ONLINE SIKUM-K13 BASED ON WEB AND ANDROID MOBILE FOR ELEMENTARY SCHOOL TEACHERS ”, International Journal of Engagement and Empowerment (IJE2), 2(3), pp. 326–331. doi: 10.53067/ije2.v2i3.84.