des Brunner, Edward Yang, Hsin Pao
Rural america and the extension service: a history and critique of the co-operative agricultural and home economics extension service - U S A, Columbia university 1949 - 210
Extension service/extension organization
630.715 BRU
100
Rural america and the extension service: a history and critique of the co-operative agricultural and home economics extension service - U S A, Columbia university 1949 - 210
Extension service/extension organization
630.715 BRU
100