ONLINE ASSIGNMENT TOPIC : Learning aids, Improvised aids, Textbook, Handbook, Source book, Workbook, Reference book, Supplementary reading material. Submitted by, Kripa K. Nair 1 st Semester Physical Science KUCTE Anchal West INTRODUCTION A book in simple is a printed sheet of papers and pages with some information. Its real value depends on how the reader value it. The books are ou