Saputra, E. C. . (2022). Efektifitas Layanan Informasi Dalam Pencegahan Bullying di SMK Negeri 1 Panjatan Kabupaten Kulon Progo DI Yogyakarta. Continuous Education: Journal of Science and Research, 3(2), 62-72. https://doi.org/10.51178/ce.v3i2.871