Bala, Robert text Jakarta PT Grasindo 2019 182 hlm : ilus ; 14 X 21 cm Robert Bala Guru 371.12 371.12 BAL m 9786020504094 20250711082721 INLIS000000000001044 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)