共 50 条
- [21] CONTINUING EDUCATION FOR PROFESSIONS IN UNITED-STATES [J]. CONVERGENCE, 1970, 3 (04): : 42 - 50
- [23] CONTINUING-EDUCATION IN THE UNITED-STATES [J]. ANNALS OF OCCUPATIONAL HYGIENE, 1993, 37 (06): : 707 - 710
- [24] SUPERPOWER SUMMIT - HOW SERIOUS IS THE UNITED-STATES [J]. ECONOMIC AND POLITICAL WEEKLY, 1985, 20 (35) : 1457 - 1458