ANALISIS PENGARUH ANGKA HARAPAN HIDUP DAN KEMISKINAN TERHADAP INDEKS PEMBANGUNAN MANUSIA DI KABUPATEN BANGKA SELATAN: ANALYSIS THE INFLUENCE OF LIFE EXPECTANCY AND POVERTY ON THE HUMAN DEVELOPMENT INDEX IN SOUTH BANGKA REGENCY. Fraction: Jurnal Teori dan Terapan Matematika, [S. l.], v. 4, n. 1, p. 33–40, 2024. DOI: 10.33019/fraction.v4i1.60. Disponível em: https://fraction.ubb.ac.id/index.php/fraction/article/view/60. Acesso em: 17 apr. 2026.