Soekarno’s Strategic Leadership For The World . Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 12, n. 11, p. 3462–3470, 2021. DOI: 10.17762/turcomat.v12i11.6392. Disponível em: http://www.turcomat.org/index.php/turkbilmat/article/view/6392. Acesso em: 5 jun. 2026.