NAINGGOLAN, H.; TAMBA, O.; SIHOTANG, D.; SINAGA, T. Souvenir Traders and Their Impact on Cultural Tourism and Economic Development. Jurnal Ilmu Pendidikan dan Humaniora, [S. l.], v. 11, n. 3, p. 188–205, 2022. DOI: 10.35335/jiph.v11i3.23. Disponível em: https://www.journals.ristek.or.id/index.php/jiph/article/view/23. Acesso em: 19 apr. 2026.