SHARIFAH MERYAM SHAREH MUSA; HARYATI SHAFII; SEOW TA WEE. ISU-ISU ALAM SEKITAR DAN KELESTARIAN. [s.l.] : Penerbit UTHM,2012. Disponível em: https://monograph.uthm.edu.my/index.php/penerbituthm/catalog/book/90. Acesso em: 27 aug. 2026.