Theresia Inova Sitanggang text Medan Polbangtan Medan 2022 id ii, 30 p.: ill.; 30 cm padi sawah 633.18.03-114 250804 20250804104813 INLIS000000000004483 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)