WANG GUILIAN,JINING CHINA. THE IMPORTANT POSITION AND EFFECTS OF PIANGUAN IN THE DEFENSE SYSTEM OF THE MING GREAT WALL. International Multidisciplinary Journal for Research & Development, [S. l.], v. 11, n. 02, 2024. Disponível em: https://www.ijmrd.in/index.php/imjrd/article/view/981. Acesso em: 30 jun. 2025.