half - yearly rpeort July-December 1988, English version : unabridged text Padang GOI-SDC 1989 iv, 72 p. ill ; 29 cm IRRIGATION IRRIGATION-WEST SUMATERA SUMATERA BARAT IRIGASI IRIGASI-SUMATERA BARAT 631.67 631.67 INLIS000000000002199 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)