REBA, Yansen Alberth; WABDARON, Densemina Yunita. The Effectiveness of Group Guidance Using Outbound Techniques to Reduce Student Learning Boredom. Nusantara of Research : Jurnal Hasil-hasil Penelitian Universitas Nusantara PGRI Kediri, Indonesia, INA, v. 12, n. 3, p. 255–269, 2025. DOI: 10.29407/nor.v12i3.27085. Disponível em: https://ojs.unpkediri.ac.id/index.php/efektor/article/view/27085. Acesso em: 17 apr. 2026.