| Type |  Book |
| ชื่อเรื่อง | Development of the appropriate technology as a primary health care for human wastes treatment and disposal in Northern Thailand : Joint Study Project / Department of Environmental Engineering Chiang Mai University, Institute of Public Health, Japan International Cooperation Agency |
| พิมพลักษณ์ | Chiang Mai : The University, 1992 |
| รูปเล่ม | 1 v. (various pagings) |
| หัวเรื่อง | Sewage disposal --Appropriate technology [] |
| | Sewage disposal --Thailand, Northern [] |
| | Sewage --Biological treatment [] |