ISBN 9787801630704 books & textbook
era Environmental Protection(Chinese Edition)
GUO JIA HUAN JING BAO HU ZONG JU ， ZHONG GONG ZHONG YANG WEN XIAN YAN JIU SHI
China Environmental Science Press Pub. Date :2001- /2000-01-01 Paperback
isbn-10: 780163070X / isbn-13: 9787801630704
