Relevansi Ajaran Kesia-siaan dalam Pengkhotbah 1:2 bagi Mahasiswa Kristen Masa Kini. Jurnal Penelitian Ilmiah Multidisipliner , [S. l.], v. 2, n. 04, 2025. Disponível em: https://ojs.ruangpublikasi.com/index.php/jpim/article/view/1652.. Acesso em: 3 apr. 2026.