00738nam a2200205Ia 4500 CTU_132422 210402s9999 xx 000 0 und d 995000 333.7 V341 Vasudevan, N. Essential environmental science N. Vasudevan Oxford Alpha Science International 2006 This book is to provide an introduction to living systems, ecological concepts, natural resources, pollution of different environments and treatment and management of evioronment. Environmental sciences.,Khoa học môi trường Tuyến Trung tâm Học liệu Trường Đại học Cần Thơ