TY  - BOOK
AU  - Yamauchi, E.
TI  - Phitsanulok Irrigation Project : On- Farm construction Plan for the 1981 construction season (construction by force Account method) : report No. 31
U1  - RID. 631.7 
PY  - 1980///
CY  - Bangkok
PB  - Royal Irrigation Department
ER  -