ASWAN, N. .; FADHILLAH, Y. .; NOOR HASAN SIREGAR, M. . Clusterirasi Kabupaten/Kota di Sumatera Utara Berdasarkan Luas Tanam dan Hasil Produksi Kelapa Sawit. EDUSAINS : Journal of Education and Science, [S. l.], v. 1, n. 1, p. 25–32, 2023. DOI: 10.57255/edusains.v1i1.248. Disponível em: https://journal.makwafoundation.org/index.php/edusains/article/view/248. Acesso em: 4 jul. 2025.