AGUS SALIM MARPAUNG; BERLIN SIBARANI. An Investigation of School Leadership in the Effective Implementation of Bilingual Education in Indonesia: A Case Study. American Journal of Social and Humanitarian Research, [S. l.], v. 5, n. 6, p. 46–52, 2024. DOI: 10.31150/ajshr.v5i6.2817. Disponível em: https://globalresearchnetwork.us/index.php/ajshr/article/view/2817. Acesso em: 27 aug. 2025.