Lumbanraja, Pretty Luci. “FAKTOR-FAKTOR PRODUKTIVITAS KELAPA SAWIT RAKYAT DI PROVINSI SUMATERA UTARA MELALUI PENDEKATAN METODE VECTOR ERROR CORRECTION MODEL (VECM) : Factors Of Community Palm Oil Productivity In North Sumatra Province Through The Vector Error Correction Model (VECM) Approach”. Journal of Analytical Research, Statistics and Computation 3, no. 2 (September 15, 2024): 82–98. Accessed April 19, 2026. https://jarsic.org/main/article/view/34.