Library statistics
Williams, Joel
Library statistics a handbook of concepts, definitions, and termi- nology - Chicago American Library Association 1966 - xv, 160 p. 24 cm.
Βιβλιοθηκονομία--Στατιστική
020
Library statistics a handbook of concepts, definitions, and termi- nology - Chicago American Library Association 1966 - xv, 160 p. 24 cm.
Βιβλιοθηκονομία--Στατιστική
020