TY  - BOOK
AU  - Tahal Consulting Engineers ltd.
TI  - Northeast Thailand Irrigation Imporovement Project (IDA CREDIT 461TH) : Progress Report (October 1, 1977 to January 30, 1978): Progress Report (October 1, 1977 to January 30, 1978)
U1  - RID. 631.7 
PY  - 1978///
CY  - Bangkok
PB  - Royal Irrigation Department
ER  -