共 50 条
- [41] Forecasting water resources in south Africa [J]. WATER RESOURCES VARIABILITY IN AFRICA DURING THE XXTH CENTURY, 1998, (252): : 275 - 279
- [42] Characterization of the coal resources of South Africa [J]. Journal of The South African Institute of Mining and Metallurgy, 2005, 105 (02): : 95 - 102
- [43] Coping with inadequate resources in South Africa [J]. HEALTH INFORMATION MANAGEMENT: WHAT STRATEGIES?, 1997, : 90 - 93
- [47] Surface water resources of South Africa [J]. Civil engineer in South Africa, 1989, 31 (10): : 331 - 336
- [48] Predictors of toilet ownership in South Africa [J]. EAST AFRICAN MEDICAL JOURNAL, 2000, 77 (12) : 667 - 672