DAMANIK, R. . Optimization Of Christian Education Services In The Church In Improving The Creative Economy For The Simalungun Community. ENDLESS: INTERNATIONAL JOURNAL OF FUTURE STUDIES, [S. l.], v. 7, n. 1, p. 182–187, 2024. Disponível em: http://endless-journal.com/index.php/endless/article/view/263. Acesso em: 15 jul. 2025.