na INLIS000000000007145 20140307095020.0 a ||| | 180719| ||| | id 978-979-29-1436-8 0010-031300000007145 id 003 003 NOE b Bustanul Arifin Noer Belajar Mudah Riset Operasional 1 Yogyakarta ANDI Yogyakarta 2010 viii + 200 hal.; 23 cm.