SIMAMORA, C. S.; SIAHAAN, W. Fungsi Onan Dalam Masyarakt Batak Toba dan Pasar Di Era Globalisasi. Perspektif, [S. l.], v. 13, n. 1, p. 13–26, 2018. DOI: 10.69621/jpf.v13i1.101. Disponível em: https://adityawacana.id/ojs/index.php/jpf/article/view/101. Acesso em: 17 apr. 2026.