SANTOSO, Katamso Noto; USMAN, Hardius. Indeks Komposit Pekerjaan Tidak Layak (IPTL) di Indonesia. Jurnal Kependudukan Indonesia, [S. l.], v. 15, n. 1, p. 19–32, 2020. DOI: 10.14203/jki.v15i1.493. Disponível em: https://ejournal.brin.go.id/jki/article/view/10657. Acesso em: 6 dec. 2025.