text Jakarta Yayasan Obor Indonesia 1989 xxxvii, 221 p.; 21 cm. ILMU EKSPERIMEN 001 001 HAR e 979-461-043-7 240318 20240318100406 INLIS000000000000051 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)