| 000 | nam a22 4500 | ||
|---|---|---|---|
| 082 |
_aRID.631.7 _bR6r _d1973 |
||
| 245 | _aRegional workshop on irrigation water management for Thailand - between 13-21 January 1973 | ||
| 260 |
_aBangkok _bRoyal Irrigation Department _c1973 |
||
| 710 | _aRoyal Irrigation Department | ||
| 942 | _c12 | ||
| 999 |
_c2420 _d2420 |
||