TY - BOOK AU - Amir Zakaria, TI - KUTUB UTARA DAN SELATAN: AMIR ZAKARIA T2 - Ke Arah Ekosistem Lestari SN - 9789670775388 U1 - 333.95 23 PY - 2017/// CY - Puchong, Selangor : PB - Wahwi Heritage , KW - Ecosystem management KW - Juvenile literature KW - North pole KW - South pole N1 - Includes questions and excercises ER -