ETIK ZUKHRONAH; WINITA SULANDARI; SUGIYANTO, Sugiyanto; ISNANDAR SLAMET; SRI SUBANTI; IRWAN SUSANTO. PENINGKATAN KEMAMPUAN GURU PEMBINA KOMPETISI SAINS NASIONAL MATA PELAJARAN MATEMATIKA SMP DI KABUPATEN KARANGANYAR. J-ABDI: Jurnal Pengabdian kepada Masyarakat, [S. l.], v. 2, n. 8, p. 5893–5898, 2023. DOI: 10.53625/jabdi.v2i8.4526. Disponível em: https://bajangjournal.com/index.php/J-ABDI/article/view/4526. Acesso em: 7 mar. 2026.