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Xehetasun bibliografikoak
Egile nagusia:	Gosling, Mary
Formatua:	Liburua
Argitaratua:	Canberra Doc Martix Pty Ltd. c1999.
Saila:	Library Education Series
Gaiak:	Reference services (Libraries) Information services. Information services. > Problems, exercises, etc. Libraries. Libraries. > Problems, exercises, etc.