ISBN 9787550294042 books & textbook
The 2023 edition of learning exploration and diagnosis of the ninth grade physics one volume + the 13th edition of the chemistry volume 13th edition of the 9th grade junior three physical and chemical workbooks in Xicheng. Beijing(Chinese Edition)
BEI JING SHI XI CHENG QU JIAO YU YAN XIU XUE YUAN BIAN
Beijing United Publishing Company /2000-01-01 Paperback
isbn-10: 7550294046 / isbn-13: 9787550294042