Extension supervision Part III-- Two views of the job
Collings, M.L.
Extension supervision Part III-- Two views of the job - Washington 1961 - 1-12 p. - United States Depatment of Agriculture, Federal Extension service. Circular No. 537 .
Extension supervision Part III-- Two views of the job - Washington 1961 - 1-12 p. - United States Depatment of Agriculture, Federal Extension service. Circular No. 537 .