| 000 | nam a22 4500 | ||
|---|---|---|---|
| 082 |
_a631.7 _bF6o _d1982 |
||
| 090 |
_c10389 _d10389 |
||
| 100 | _afood and agriculture organization of the united nations | ||
| 245 |
_aorganization, operation and maintenance of irrigation schemes _bFAO IRRIGATION AND DRAINAGE PAPER 40 |
||
| 300 |
_a1 เล่ม _g21x29 ซม. |
||
| 942 | _c22 | ||
| 999 |
_c9862 _d9862 |
||