LESTARI, Dwi. MODEL PERTUMBUHAN POPULASI BERDASARKAN KELOMPOK UMUR. PYTHAGORAS Jurnal Matematika dan Pendidikan Matematika, [S. l.], v. 5, n. 1, 2012. DOI: 10.21831/pg.v5i1.560. Disponível em: https://journal.uny.ac.id/index.php/pythagoras/article/view/560. Acesso em: 13 sep. 2025.