| Type |  Book |
| ชื่อเรื่อง | Agricultural extension strategy for highland : a study of extension methodology to eliminate opium poppy cultivation, Wiang Pa Pao District, Chiang Rai ? Paiboon Suthasupa ... [et al.] |
| ผู้แต่ง | Paiboon suthasupa |
| พิมพลักษณ์ | Chiang Mai : Faculty of Agriculture, Chiang Mai University, 1983 |
| รูปเล่ม | v |
| หัวเรื่อง | Agricultural extension work --Chiang Rai [] |
| | Agriculture --Technology transfer --Chiang Rai [] |
| | Opium poppy |
| | Shifting cultivation --Chiang Rai [] |