na INLIS000000000040902 20161031142413.0 $a 979-1305-10-5 $0010-101600000003663 $a 371. SLA c $a 371. SLA c $a Robert E. Slavin $a Coopertive Learing $a Ke-8 $a Bandung $b Nusa Media $c 2010 $a Arpus kab. Magetan $a 53.795-0