na INLIS000000000042028 20161109080337.0 $a 979-065-031-0 $0010-111600000001051 $a 808 HAP p C.1 $a 808 HAP p C.1 $a Happy Susanto $a Proposal Tepat Bisnis Melesat: Kiat Jitu Menggolkan Proposal $a ke-1 $a Jakarta $b Visimedia $c 2009 $a 53.270-0