00268nam a22001217a 4500 SK 630 ជួង សុផល Surface irrigation design and evaluation THAILAND ជួង NA 65p. EK 9473 9473 0 0 0 630_000000000000000_ជួង_NA 0 51441 LBC LBC 2016-09-01 630 ជួង NA RUA045832 2016-09-01 2016-09-01 EK