Febdian, Lindo, and Efendi . “MENENTUKAN MODEL PERTUMBUHAN PENDUDUK PROVINSI SUMATERA BARAT”. Jurnal Matematika UNAND 2, no. 4 (December 1, 2013): 54–58. Accessed November 4, 2026. https://jmua.fmipa.unand.ac.id/index.php/jmua/article/view/97.