CHEE-MING CHAN. THE SINKING EARTH. REVENGE OF THE SOILS: HOW DO WE SURVIVE. [s.l.] : Penerbit UTHM,2012. Disponível em: https://monograph.uthm.edu.my/index.php/penerbituthm/catalog/book/242. Acesso em: 27 aug. 2026.