Reference and information services an introduction

التفاصيل البيبلوغرافية
المؤلفون الرئيسيون:	Cassell, Kay Ann (مؤلف), Hiremath, Uma (مؤلف)
التنسيق:	كتاب
اللغة:	English
منشور في:	London Facet 2018.
الطبعة:	Fourth edition.
الموضوعات:	Reference services (Libraries) Reference books > Bibliography. Virtual reference services (Libraries) Electronic information resources. Reference sources. E-mail reference services (Libraries) Electronic mail reference services (Libraries) Digital reference services (Libraries)