Why and how Melvil Dewey thought to develop his own classification system?کیوں اور کیسے میلویل ڈیوی نے اپنا درجہ بندی کا نظام تیار کرنے کا سوچا؟
Melvil Dewey developed the Dewey Decimal Classification (DDC) system as a way to organize and classify the books in the […]