Khon Kaen: Faculty of Agriculture Khon Kaen University, 1982. xxii, 174 pp. Illus. with b/w maps and charts. 8vo. Photo-illustrated paper wrappers (paperback). First edition. A very good+ copy, minor wear to wrappers, owner's name, otherwise clean and unmarked. Item #29933
Uncommon. OCLC shows only 9 copies of this workshop report.