Preminilary investigation in the development of soil cracks in the irrigated areas of the ricefield text Yogyakarta Gajah Mada University 1989 12 p. : ill ; 29 cm SOIL CRACKING ORYZA SATIVA PADI IRRIGATED LAND IRIGASI 631.4 631.4 INLIS000000000002290 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)