1. Extension training around the world; handbook. In cooperation with Agency for International Development, U. S. Dept. of State
پدیدآورنده : U. S. Federal Extension Service
کتابخانه: Central Library of Sharif University of Technology (Tehran)
موضوع : ، Agriculture extension work-- Study and teaching,، Agricultural extension-- Study and teaching,، Agricultural extension work,، Agricultural extension-- Policies and programs,، Technical assistance )Program(
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