共 50 条
- [32] EDUCATIONAL STATUS OF BLACKS IN UNITED-STATES AGRICULTURE [J]. NATIONAL ASSOCIATION OF COLLEGE TEACHERS OF AGRICULTURE JOURNAL, 1978, 22 (01): : 17 - 20
- [36] INFLUENCE OF INTERNATIONAL STUDENTS ON THE UNITED-STATES EDUCATIONAL-SYSTEM AND PROFESSIONAL PRACTICE [J]. CIVIL ENGINEERING, 1990, 60 (11): : 67 - 69
- [37] UNIVERSITY SYSTEM IN UNITED-STATES [J]. REVUE FRANCAISE DE SOCIOLOGIE, 1972, 13 (01): : 112 - 121
- [40] METRIC SYSTEM IN UNITED-STATES [J]. PROCEEDINGS OF THE AMERICAN PHILOSOPHICAL SOCIETY, 1972, 116 (04) : 294 - 300