共 50 条
- [43] High exposure to respirable dust and quartz in a labour-intensive coal mine in Tanzania [J]. ANNALS OF OCCUPATIONAL HYGIENE, 2006, 50 (02): : 197 - 204
- [45] Trait-making for labour-intensive technology in Sub-Saharan Africa [J]. RESEARCH POLICY, 2000, 29 (06) : 757 - 766
- [48] SOME MANUAL METHODS OF SCREENING AGGREGATES FOR LABOUR-INTENSIVE ROAD CONSTRUCTION. [J]. TRRL Supplementary Report (Transport and Road Research Laboratory, Great Britain), 1979, (503):