Simbolon, Lolyta Damora, Rani Farida Sinaga, Lena Rosdiana Pangaribuan, and Ike Theresia Panjaitan. 2025. “Poverty Line Forecasting Model in North Sumatera Province Using Double Exponential Smoothing Method”. Sang Pencerah: Jurnal Ilmiah Universitas Muhammadiyah Buton 11 (1):306-16. https://jurnal-umbuton.ac.id/index.php/Pencerah/article/view/6644.