SIDHU, M. S. . Observations on Earthworks and Fortifications in Kedah from 600-1800 CE based on Local Historical Literature. MAJ - Malaysia Architectural Journal, [S. l.], v. 3, n. 1, p. 23–32, 2021. Disponível em: https://majournal.my/index.php/maj/article/view/9. Acesso em: 11 sep. 2025.