A cycle showing means and agencies for promoting the general use of a practice of proven value with special reference to continuity and repetition of thought
By: prepared by A.B. Graham
Contributors: United States. Office of Cooperative Extension Work
Publisher: U.S. Department of Agriculture, Extension Service, Office of Cooperative Extension Work
Published: 1925
Place of publication: Washington, D.C
Language: eng
Subjects: Agriculture; Methodology; Home economics
Notes: Caption title.

At head of title : Cooperative Extension Work in Agriculture and Home Economics