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ISBN Project
Bajet $300-1500 USD
Every book published is issued with an ISBN, a unique book identifier number used industry-wide. Up untill now, this number contained 10 digits, 6 identifying the bublisher and 4 identifying the book.
The system now is use this 10-digit ISBN to identify a book for displaying and searching.
1 pekerja bebas membida secara purata $400 untuk pekerjaan ini
$400 USD dalam 10 hari
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