共 50 条
- [7] HEALTH-CARE COST CONTROL WILL AFFECT TOTAL UNITED-STATES-ECONOMY HOSPITALS, 1978, 52 (11): : 58 - 59
- [8] NEW EVIDENCE OF AGRICULTURE AS AN UNDERDEVELOPED SECTOR OF THE UNITED-STATES-ECONOMY ANNALS OF REGIONAL SCIENCE, 1980, 14 (01): : 43 - 56