| 000 | nam a22 4500 | ||
|---|---|---|---|
| 245 | _aIrrigaion design standards design criteria Volume structural parametre KP.06 | ||
| 260 |
_as.l. _bDirectorate general of Water Resources Development Ministry of Public Works. _cc1986 |
||
| 710 | _aDirectorate general of water resources Development Ministry of Public Works. | ||
| 942 | _c22 | ||
| 999 |
_c4871 _d4871 |
||