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_aRID _btha _cRID |
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_aRID. 627.54 _bM3d 1987 |
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| 100 | _aMaitri Poolsup | ||
| 245 | _aDesign standards surface drainage systems. | ||
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_aBangkok _bRoyal Irrigantion Department. _c1987 |
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| 942 |
_c12 _2ddc |
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