000
nam a22 4500
082
_a
RID631.7
_b
R6I
_d
1982
245
_a
Irrigation water requirement (Nam Pong and Nong Wai projects)
260
_a
Bangkok
_b
Royal Irrigation Department
_c
1982
710
_a
Royal Irrigation Department
942
_c
12
999
_c
2157
_d
2157