共 50 条
- [5] HYDROLOGICAL RESEARCH AND DEVELOPING-COUNTRIES [J]. HYDROLOGICAL SCIENCES JOURNAL-JOURNAL DES SCIENCES HYDROLOGIQUES, 1982, 27 (02): : 198 - 198
- [7] TRANSPORT RESEARCH FOR DEVELOPING-COUNTRIES [J]. PHYSICS IN TECHNOLOGY, 1986, 17 (03): : 105 - &
- [8] PROBLEMS OF RESEARCH IN DEVELOPING-COUNTRIES [J]. LANDBAUFORSCHUNG VOLKENRODE, 1974, 24 (01): : 6 - 9
- [9] QUALITATIVE RESEARCH IN DEVELOPING-COUNTRIES [J]. JOURNAL OF THE MARKET RESEARCH SOCIETY, 1982, 24 (02): : 86 - 96
- [10] HEALTH RESEARCH IN DEVELOPING-COUNTRIES [J]. BRITISH MEDICAL JOURNAL, 1991, 302 (6787): : 1220 - 1221