TY - BOOK AU - Royal Irrigation Department TI - Water for the Northeast : Assessment and Rehabilitation of Tank Irrigation Project : Volume I - Summary Report : Phu Pek, Sakhon Nakhon (ภูเพ็ก, สกลนคร) U1 - RID. 627.86 PY - 1983/// CY - Bangkok PB - Asian Institute of Technology ER -