Yuntawati, Yuntawati, and Sanapiah Sanapiah. 2020. “Pembinaan Olimpiade Sains Nasional (OSN) Matematika Jenjang SMP Kabupaten Lombok Tengah”. Sasambo: Jurnal Abdimas (Journal of Community Service) 2 (3): 172-79. https://doi.org/10.36312/sasambo.v2i3.304.