Riyanto text Medan Yayasan Kita Menulis 2021 Cet. 1 id xx, 246 p, : ill. ; 21 cm Hama Penyakit 632 632 HAM 978-623-342-022-8 260604 20260604021130 INLIS000000000005104 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)