TY  - BOOK
AU  - Sverdrup & Parcel
ED  - Sverdrup & Parcel 
ED  - Sogreah - Bceom
TI  - Proposal for consulting services Phitsanulok Irrigation Project
U1  - RID. 627.52 
PY  - 1975///
CY  - Bangkok
PB  - Royal Irrigation Department
ER  -