1. New Territories Stream Pollution Study;Binnie,1974
2. Final disposal of agricultural wastes, economic and environmental aspects;ERL (Asia) Limited,1983
3. Principles and techniques of animal waste management and utilization in Asia;Taiganides,1978
4. Managing Livestock Wastes;Merkel,1981
5. Composting combined refuse and sewage sludge;Diaz,1981