TY - BOOK ED - National Conference of Head State Supervisors, Vocational Education in Agriculture TI - Techniques for improving administration and supervision in vocational agriculture: summaries of committee reports AV - L111 .A72 no. 628 PY - 1960///] CY - Washington PB - U.S. Dept. of Health, Education, and Welfare, Office of Education, Division of Vocational Education, Agricultural Education Branch KW - Agricultural education KW - United States N1 - "OE-81005."; L111.A72 no. 628 bound with Circular no. 623-no. 631 subsequent to publication ER -