The reference library user problems and solutions

Manylion Llyfryddiaeth
Awduron Eraill:	Katz, William A. 1924-
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	New York Haworth Press c1990.
Pynciau:	Reference services (Libraries). Libraries and readers. Problem solving. Reader guidance.