عرض عادي عرض مارك عرض تدوب

Davinson, Donald

Reference service / Donald Davinson. - 235 ; 24 cm.

ISBN: 085157291X

Subjects--Topical Terms:
Library and information sciences

Index Terms--Genre/Form:
Reference services.
Information services.
Indexing.
Evaluation.
Control samples.

Dewey Class. No.: 025.52 / D249