Manuharawati, Raden Sulaiman, SutantoHery Tri, Muhammad Jakfar, and Toni Phibeta. “Development of Online Student Olympiad Training Materials for Elementary School Teachers in Magersari Mojokerto Subdistrict in the COVID-19 Pandemic Era”. GANDRUNG: Jurnal Pengabdian Kepada Masyarakat 2, no. 1 (February 28, 2021): 62-72. Accessed December 8, 2024. https://ejournal.unibabwi.ac.id/index.php/gandrung/article/view/1148.