共 50 条
- [45] INEQUALITY IN DISTRIBUTION AND DIFFERENTIAL UTILIZATION OF HEALTH-SERVICES - BOTSWANA CASE-STUDY JOURNAL OF TROPICAL MEDICINE AND HYGIENE, 1977, 80 (11): : 238 - 243
- [46] ECONOMIC BACKGROUND OF CHEMICAL INTEGRATION - CASE-STUDY ENGINEERING AND PROCESS ECONOMICS, 1978, 3 (04): : 279 - 286