when did isbn start - EAS
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- 1965
- Theo 2 nguồn
- Mọi người cũng hỏi
History | ISBN.org
International Standard Book Number - Wikipedia
A check digit is a form of redundancy check used for error detection, the decimal equivalent of a binary check bit. It consists of a single digit computed from the other digits in the number. The method for the 10-digit ISBN is an extension of that for SBNs, so the two systems are compatible; an SBN prefixed with a zero (the 10-digit ISBN) will give the same check digit as the SBN without the zero. The check digit is base eleven, and can be an integer between 0 and 9, or an 'X'. The sy…
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Question: When Did Isbn Start? - Surgery and plastic
When did the ISBN numbers for books start?
Wikipedia:ISBN - Wikipedia
About the ISBN standard | ISBN.org
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