The extension messenger : a series of brief notes from the weekly reports of the Farm Advisers, College and Experiment Station Workers and the State Leader`s Office. 17-18 (1934-1935)
Автор: University of Illinois (Urbana-Champaign campus). Extension Service in Agriculture and Home Economics, издатель: "Книга по требованию", ISBN: 978-5-8820-3803-7| В наличии: | ||||
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