Yazar
David R McClay
2 cilt bulundu.
Cilt sonuçları
Identifying and validating essential competencies needed for entry and advancement in major agriculture and agribusiness occupations
David R McClay · Dept. of Health, Education, and Welfare, [Education Division], Office of Education, Occupational and Adult Education Branch : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
584 sayfa · 1978
Agriculture / Vocational guidance / Farmers