TY - BOOK AU - Tan,Eunice TI - Why oceans and seas are important T2 - Science for beginners SN - 9838771724 U1 - 500 23 PY - 2004/// CY - Petaling Jaya, Selangor : PB - Penerbit Prisma , KW - Oceans - Juvenile literature ; Seas - Juvenile literature ER -