00300nam a22001097a 4500 338 338 ROB 1986 C083 Skimming the water : erent-seeking and the performance of public irrigation systems Phnom Penh ROB 1986 47p. ill. 29cm. EK 11066 11066 0 0 0 338_000000000000000_ROB_1986_C188 0 58499 LBC LBC C188 2017-02-15 338 ROB 1986 C188 A10731 2017-02-15 EK