SIMANJUNTAK, Risa R. Bahasa Indonesia: Policy, Implementation, and Planning. Lingua Cultura, [S. l.], v. 3, n. 1, p. 11–19, 2009. DOI: 10.21512/lc.v3i1.327. Disponível em: https://journal.binus.ac.id/index.php/Lingua/article/view/327. Acesso em: 29 apr. 2025.