21. National Library of Medicine classification [electronic resource]
Author:
Library: Central library of medical university of Isfahan (Esfahan)
Subject: Classification- Books- Medicine
Classification :
Z697
.
M4
,
N3


22. U.S.Department of Health,education, and Welfare. National library of medicine classification; a scleme for the shelf arrangement of books in the field of medicine and its related sciences
Author:
Library: Central Library and Documents Center of Tehran University (Tehran)
Subject: Classification - Books- Medicine
Classification :
Z
697
.
M4U5

