Pedoman pengamatan tanah dilapang text Bogor Lembaga Penelitian Tanah 1969 ind 139 p. : ill. ; 21 cm. LEMBAGA PENELITIAN TANAH STAF PEMETAAN SOIL SURVEYS 631.47 631.47 LEM p 221002 20221002115655 INLIS000000000011260 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)