LEERODANAWUTIKUN, C.; TIPMONTIEN, K.; PHIUKHAO , S. Inequality of old-age pension in the social security system of self-employed insured persons. Journal for Developing the Social and Community , Bangkok, Thailand, v. 12, n. 1, p. 355–368, 2025. Disponível em: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/281296. Acesso em: 13 oct. 2026.