00859nam a2200193Ia 4500 CTU_141754 210402s9999 xx 000 0 und d 344.597046 T309 Tiêu chuẩn Việt Nam Các tiêu chuẩn Nhà nước Việt Nam về môi trường : Song ngữ việt anh Tiêu chuẩn Việt Nam Hà Nội 1995 Tài liệu trình bày tất cả các tiêu chuẩn mà Nhà nước Việt Nam đã ban hành về chỉ tiêu chất luợng môi trường không khí, âm học, chất lượng đất, giấy. Environmental law,Evironmental standard Bạch Trúc Trung tâm Học liệu Trường Đại học Cần Thơ