4 1 20 Panduan Praktis, Teori dan Contoh Kasus Sudaryono Primary Author mixed material 9789792950281 Yogyakarta Andi Offset 2015 Metodologi_Riset_Di_Bidang_TI.jpg.jpg Sudaryono Primary Author mixed material 9789792930924 Yogyakarta Andi Offset 2012 Statistika_Probabi.png.png Sudaryono Primary Author Suryo Guritno Primary Author Untung Rahardja Primary Author mixed material 9789792924817 Yogyakarta Andi Offset 2011 Sudaryono Primary Author PO Abas Sunarya Primary Author Asep Saefullah Primary Author mixed material 9789792924916 Yogyakarta Penerbit Andi 2011