6 1 50 Victorianus Aries Siswanto Primary Author mixed material 9789797568559 Yogyakarta Graha ilmu 2012 Strategi_dan_Langkah-langkah_Penelitian.png.png B Siswanto Additional Author mixed material 9795267043 Jakarta Bumi Aksara 2009 Siswanto Additional Author mixed material 9789797566425 Yogyakarta Graha ilmu 2010 DSC02232.jpg.jpg Siswanto Additional Author mixed material 9797560852 Yogyakarta Graha ilmu 2006 DSC02013.jpg.jpg Victorians Aries Siswanto Additional Author mixed material 9789797568559 New York Graha ilmu & UIEU-University Press 2012 DSC_0000338_%28FILEminimizer%29.jpg.jpg Dr. H.B. Siswanto, M.Si Additional Author mixed material 9795267043 Hoboken, NJ Bumi Aksara 2015 manajemen.jpg.jpg