SINAMBELA, J. .; PRASETYO, T. .; PAKPAHAN, E. F. .; LEONARD, T. . Expansion of the Essence of Pacta Sunt Servanda in the Dignified Padan of the Toba Batak Indigenous Community . Migration Letters, London, UK, v. 21, n. 4, p. 380–387, 2024. Disponível em: https://migrationletters.com/index.php/ml/article/view/7391. Acesso em: 27 jul. 2024.