na INLIS000000000005824 20150119115308.0 a ||| | 170609| ||| | $a 979-7461-585-4 $a 0010-011500000003829 $a 808.50300000000004 $a irwanto $a focused group discussion [ FGO] $b sebuah pengantar praktis $a 1 $a Jakarta $b Yayasan obor indonesia $c 2006 $a 0026/8/b272/2008