YUSUF, K. E.; NURYATI, S. .; SIRAIT, A. F.; SIAHAAN, Y. S. ANALISIS PRINSIP LAYANAN BIMBINGAN KONSELING DI SD MUHAMMADIYAH 01 MEDAN. Effect : Jurnal Kajian Konseling, [S. l.], v. 2, n. 2, 2023. DOI: 10.58432/effect.v2i2.427. Disponível em: https://ejournal.yana.or.id/index.php/effect/article/view/427. Acesso em: 22 jun. 2026.