Improving school custodial service
Series: United States. Office of Education. Bulletin,; 1949, no. 13; Bulletin (United States. Office of Education) ;; 1949, no. 13.
Publisher: Federal Security Agency, Office of Education
Published: 1949
Place of publication: [Washington]
Language: eng
Number of pages: 32
Subjects: School custodians
Notes: Bibliography: p. 32.