ABDILA, E. H. The Existence of the Theory of Planned Behaviour: Implications for Purchasing Halal Cosmetics. Journal of Islamic Economics and Finance Studies, [S. l.], v. 1, n. 1, p. 20–27, 2025. Disponível em: https://ojs.stai-bls.ac.id/index.php/ijiefis/article/view/92. Acesso em: 25 apr. 2026.