Moderating Effect of Gender, Income and Age towards an Islamic Health Protection Retirement Plan (i-HPRP). American Journal of Economics and Business Innovation, [S. l.], v. 1, n. 1, p. 19–29, 2022. DOI: 10.54536/ajebi.v1i1.157. Disponível em: https://www.e-pallipublishers.com/index.php/ajebi/article/view/157. Acesso em: 17 jun. 2026.