Reference
Subtitle: a programmed instruction
By: prepared by Donald J. Sager for the Ohio Library Association-State Library of Ohio reference workshops for library personnel without library degrees.
Contributors: Ohio Library Association.; State Library of Ohio.
Publisher: s.n.]
Published: 1967
Place of publication: [S.l
Language: eng
Number of pages: 147
Subjects: Library science -- Programmed instruction.; Reference services (Libraries) -- Programmed instruction.