TY - BOOK ED - ELC-NK-SEATEC ED - Royal Irrigation Department ED - Consulting Engineering Joint Venture TI - Phitsanulok Irrigation Project : Stage II : Project feasibility report Appendix A : Land resources and agricutural planning U1 - RID. 627.52 PY - 1981/// CY - Milano PB - ELC - Electroconsult ER -