共 50 条
- [2] R AND D FOR DEVELOPING-COUNTRIES .1. ROLE OF INDUSTRIAL R AND D RESEARCH MANAGEMENT, 1979, 22 (03): : 34 - 38
- [5] DEMONSTRATION OF ANAEROBIC DIGESTERS IN DEVELOPING-COUNTRIES .2. JOURNAL OF ENVIRONMENTAL SCIENCES, 1979, 22 (03): : 16 - 19