Guslim, M.S text Medan Fakultas Pertanian USU 1997 Cet. 11 id ii, 109 hlm.: ilus.; 21 cm Klimatologi 551.58:63 250804 20250804104455 INLIS000000000003039 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)