“Biplot and Procrustes Analysis of Poverty Indicators By Province in Indonesia in 2015 dan 2019”. UNP Journal of Statistics and Data Science 2, no. 1 (Februari 25, 2024): 1–7. Diakses Oktober 3, 2026. https://ujsds.ppj.unp.ac.id/index.php/ujsds/article/view/124.