| Type |  Book |
| ชื่อเรื่อง | Proceedings of the symposium on coal and lignite development policy in Thailand for the 7th economic and social development plan, The Regent Cha-am Hotel, Petchaburi, Thailand, 7-8 July 1989, organized by The National Energy Policy Office;under the sponsorship of the United Nations Development Programme |
| ผู้แต่ง | Symposium on coal and lignite development policy in thailand (1989 : Petchaburi, Thailand) |
| พิมพลักษณ์ | Thailand : s.n., 1989 |
| รูปเล่ม | 80 p. : ill |
| หัวเรื่อง | Coal |
| | Lignite |
| | Congresses |