NABIYAH, I. R. Penyelesaian Persamaan Klein-Gordon Menggunakan Metode Homotopi. Jurnal As-Salam, [S. l.], v. 1, n. 1, p. 24–32, 2017. Disponível em: https://www.jurnal-assalam.org/index.php/JAS/article/view/75. Acesso em: 14 sep. 2025.