Evaluating reference services : a practical guide /
Whitlatch, Jo Bell.
Evaluating reference services : a practical guide / - Chicago : American Library Association, 2000. - vi, 226 p. ;
0838907873 (alk. paper)
025.5/2 / WHI
Evaluating reference services : a practical guide / - Chicago : American Library Association, 2000. - vi, 226 p. ;
0838907873 (alk. paper)
025.5/2 / WHI