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Graduate study in extension education in land-grant colleges and universities [by Virginia R. Griffin, extension educationist, and Mary L. Collings, chief, Extension Training Branch, Division of Extension Research and Training.

Graduate study in extension education in land-grant colleges and universities [by Virginia R. Griffin, extension educationist, and Mary L. Collings, chief, Extension Training Branch, Division of Extension Research and Training.
紙図書
Federal Extension Service, U. S. Dept. of Agriculture[1962].<630.717-Uf29g>
国立国会図書館

Experiences with human factors in agricultural areas of the world.

Experiences with human factors in agricultural areas of the world.
紙図書
Extension Service, U.S. Dept. of Agriculture[1949]<630.717-Ue96e>
国立国会図書館

Summary annual 4-H youth development enrollment report.

Summary annual 4-H youth development enrollment report.
紙図書
Extension Service, U.S. Dept. of Agriculture.19uu.<DM381-11>
国立国会図書館
  • 一般注記Imprint: Extension Service, U.S. Dept. of Agriculture, <1969>-1976; Science and Edu...

Extension Service Review

Extension Service Review
紙雑誌雑誌タイトル
Extension Service, U.S. Dept. of Agriculture<Z53-G302>
国立国会図書館
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Extension Review

Extension Review
紙雑誌雑誌タイトル
Extension Service, U.S. Dept. of Agriculture<Z53-G302>
国立国会図書館
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ARS 34

ARS 34
紙雑誌雑誌タイトル
Agricultural Research Service, Federal Extension Service, U.S. Department of AgricultureAgricultural Research Service, Federal Extension Service, U.S. Dept. of Agriculture
全国の図書館
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