| Type |  Book |
| ชื่อเรื่อง | Pang-Oung Highland Agricultural Extension Project to replace opium based agriculture |
| พิมพลักษณ์ | Chiang Mai : Chiangmai Provincial Agricultural Extension Office, 1981- |
| รูปเล่ม | v |
| หัวเรื่อง | Agricultural extension work --Thailand, Northern [] |
| | Farm produce --Thailand, Northern [] |
| | Field crops --Thailand, Northern [] |
| | Pang-Oung Highland Agricultural Extension Project |
| | Vegetables --Thailand, Northern [] |