TY  - BOOK
ED  - ELC-NK-SEATEC
ED  - Royal Irrigation Department
ED  - Consulting Engineering Joint Venture.
TI  - Phitsanulok Irrigation Project : Extension project reconnaissance study report
U1  - RID. 627.52 
PY  - 1981///
CY  - Bangkok
PB  - ELC-NK-SEATEC
ER  -