text Medan Polbangtan Medan 2022 ind ii, 30 p. : ill, ; 30 cm Ferry Darmawan Manalu Kelapa Sawit Budidaya D 633.855.34-114 D 633.855.34-114 MAN b 230313 20230313022249 INLIS000000000000134 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)