000 nam a22 4500
082 _aRID.631.7
_bR6p
_d1977
245 _aPhitsanulok Irrigation Project : First procurement report for contraction and related equipment (1)
_bReport no.12
260 _aBangkok
_bRoyal Irrigation Department
_c1977
710 _aRoyal Irrigation Department
942 _c12
999 _c2406
_d2406