Guide for preparation and production of textbooks
Indian Standards Institution
Guide for preparation and production of textbooks - New Delhi 1974 - 11p - IS : 7400--1974 .
TEXTBOOKS -- STANDARDS
BOOKS -- FORMAT -- STANDARDS TEXTBOOKS -- STANDARDS
389.6 IS : 7400
Guide for preparation and production of textbooks - New Delhi 1974 - 11p - IS : 7400--1974 .
TEXTBOOKS -- STANDARDS
BOOKS -- FORMAT -- STANDARDS TEXTBOOKS -- STANDARDS
389.6 IS : 7400