Rusgiyono A, Orsini Y, Jannah M. Robust M-Estimator Modelling with Huber and Andrew Weighting Functions on Poverty Levels in North Sumatra. ijmcr [Internet]. 4Jun.2025 [cited 19May2026];13(06):5292-8. Available from: https://www.ijmcr.everant.org/index.php/ijmcr/article/view/978