ISRAR, Israr; ANATONA, Anatona. Informal Leadership and Infrastructure Development: The Role of Tungku Tigo Sajarangan in the Batang Agam Hydropower Project (1965–1976). Analisis Sejarah: Mencari Jalan Sejarah, [S. l.], v. 16, n. 1, p. 1–12, 2026. DOI: 10.25077/jas.v16i1.159. Disponível em: https://jas.fib.unand.ac.id/index.php/JAS/article/view/159. Acesso em: 18 oct. 2026.