SIREGAR, Chandra A; AFFANDI, Affandi; SIREGAR, Ahmad Marabdi; M D NASUTION. Pemetaan Potensi Radiasi Matahari Di Sumatera Utara Berdasarkan Perhitungan Matematika. Seminar Nasional Teknologi Edukasi Sosial dan Humaniora, [S. l.], v. 1, n. 1, p. 72–77, 2021. DOI: 10.53695/sintesa.v1i1.207. Disponível em: https://jurnal.ceredindonesia.or.id/index.php/sintesa/article/view/207. Acesso em: 12 jul. 2025.