Suryabrata, Sumadi text Jakarta PT Raja Grafindo Persada 2014 Ed. 2 166 hlm : ilus ; 21 cm Drs. Sumadi Suryabrata Metodologi Peneltian 001.42 001.42 SUR m 978-979-769-514-9 20241231092640 INLIS000000000004141 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)