00822nam a2200217Ia 4500 CTU_220390 210402s9999 xx 000 0 und d 15 628.503 S246 Sarnoff, Paul The New York times encyclopedic dictionary of the environment Paul Sarnoff New York Quadrangle Books 1971 Saving the environment is the most popular movements in America today. It may also prove to be the most poorly understood. This book concerned citizen finds it difficult to acquire a more than superficial knowledge of the subject Ô nhiễm,Pollution Từ điển,Dictionaries Nguyên Trung tâm Học liệu Trường Đại học Cần Thơ