Gakhar, Attam Prakash.
LIBRARIAN`S GUIDE TO BROAD SYSTEM OF ORDERING (BSO) / - First Ed. / - New Delhi : Metropolitan Book Companyp pvt.ltd.. - p.82, :
Library Science
2 / M2G
LIBRARIAN`S GUIDE TO BROAD SYSTEM OF ORDERING (BSO) / - First Ed. / - New Delhi : Metropolitan Book Companyp pvt.ltd.. - p.82, :
Library Science
2 / M2G