Yazar
George Ekstrom
6 cilt bulundu.
Cilt sonuçları
Adult education in vocational agriculture, by
George Frederich Ekstrom · Interstate Printers and Publishers]
490 sayfa · 1952
Agricultural education / Russian Abbreviations
Historical development of agricultural education in the United States prior to 1917
George Frederich Ekstrom · U.S. Office of Education, Bureau of Research
152 sayfa · 1969
Agricultural education / History