CITRAYASA, V. .; MARSELLA, E.; WIRATSIH, W. W. Program Pelatihan Wicara Bahasa Inggris bagi Siswa SMP dan SMA/SMK di Paroki Kotabaru Yogyakarta. Proletarian : Community Service Development Journal, [S. l.], v. 2, n. 1, p. 32–38, 2024. DOI: 10.61098/proletariancomdev.v2i1.122. Disponível em: https://journal.proletargroup.org/index.php/Proletariancomdev/article/view/122. Acesso em: 16 apr. 2026.