Muhammad Bayu Prasetyo text Medan Polbangtan Medan 2022 id ii, 34 p.: ill.; 30 cm Kopi Arabika 633.731-155 250804 20250804104822 INLIS000000000004557 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)