PETI SAVITRI. Harmony of The Concept of Mohammad Hatta and Sharia Cooperative to Prevent Inflation. Journal of Economicate Studies, [S. l.], v. 6, n. 1, p. 18–29, 2022. DOI: 10.32506/joes.v6i1.895. Disponível em: https://journal.islamicateinstitute.co.id/index.php/joes/article/view/895. Acesso em: 20 jan. 2026.