Current location - Training Enrollment Network - Books and materials - The barcode at the back of the book is ISBN 978-7-115-28858-5. What do you mean there is only one title at the back?
The barcode at the back of the book is ISBN 978-7-115-28858-5. What do you mean there is only one title at the back?
ISBN 978-7- 1 15-28858-5

International Standard Book Number (ISBN)

ISBN 978-7- 1 15-28858-5

"978" means (product identification code, referring to books)

"7" stands for (country, language or location code, and 7 stands for Chinese mainland)

"1 15" means (press code, 1 15 means People's Posts and Telecommunications Publishing House)

"28858" means (book sequence code)

"5" means (check code)