共 50 条
- [41] Santiago de Chile: old problems, new challenges ESTUDIOS DEMOGRAFICOS Y URBANOS, 2005, 20 (02): : 363 - 376
- [43] Modern Pastoralism and Conservation: Old Problems, New Challenges PASTORALISM-RESEARCH POLICY AND PRACTICE, 2013, 3 (01):
- [44] Impact of universal service on telecommunications and economic development in emerging economies AFRICAN JOURNAL OF BUSINESS MANAGEMENT, 2010, 4 (14): : 3070 - 3079
- [47] New Challenges in Power Conditioning for Telecommunications IECON 2010: 36TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY, 2010,
- [48] CHINA POLICY - OLD PROBLEMS AND NEW CHALLENGES - BARNETT,AD PROBLEMS OF COMMUNISM, 1979, 28 (02): : 61 - 63
- [49] CHINA POLICY - OLD PROBLEMS AND NEW CHALLENGES - BARNETT,AD INTERNATIONAL JOURNAL, 1979, 34 (02): : 325 - 327