Publication of the Cooperative Extension Service; U.S. Dept. of Agriculture and state land-grant colleges and universities cooperating, <Mar./Apr.-July/Aug. 1978>
Description based on: Vol. 50, no. 1 (Jan.-Feb. 1979); title from cover
Issuing Body
Issued Mar./Apr. 1978-spring 1981 by the Science and Education Administration; summer 1981- by the Extension Service