| Type |  Book |
| ชื่อเรื่อง | Vegetable cash crop data base for opium replacement in the highlands of Northern Thailand / Department of Agricultural Extension, Faculty of Agriculture, Chiang Mai University |
| ผู้แต่ง | Chiang Mai University. Department of Agricultural Extension |
| พิมพลักษณ์ | Chiang Mai : The University, 1987 |
| รูปเล่ม | 88 p |
| หัวเรื่อง | Crops --Informantion services --Thailand, Northern [] |
| | Information storage and retrieval system --Crops and climate [] |
| | Vegetables --Thailand, Northern [] |