21 1 50 Purwanto S.K Additional Author Suharyadi Primary Author mixed material 9796911612 Jakarta Salemba Empat 2004 A Wat to Learn Scientific English Sarwono,Jonathan Primary Author Yudhy Purwanto Primary Author mixed material 9789792940862 Yogyakarta Andi 2013 Purwanto, Djoko Primary Author mixed material 9789790991262 Jakarta Erlangga 2011 Tampubolon, Biatna Dulbert Primary Author Purwanto, Endi Hari Primary Author mixed material 9789790624580 Jakarta Indeks 302 Purwanto, Djoko Primary Author mixed material 9789790157866 Jakarta Erlangga 2008 Suharyadi Primary Author Purwanto Primary Author mixed material 9796911620 Jakarta Salemba Empat 2003 Suharyadi Primary Author Purwanto Additional Author mixed material 9789796914241 Jakarta Salemba Empat 2009 Purwanto, Djoko Primary Author mixed material 9789790157866 Jakarta Esensi 2008 Purwanto, Djoko Primary Author mixed material 9789790157873 Jakarta Esensi 2008 Purwanto, Djoko Primary Author mixed material 9796885026 Jakarta Erlangga 2003 Purwanto, SK. Additional Author Suharyadi Primary Author mixed material 9789796914258 Hoboken, NJ Apress 2009 Purwanto, Djoko Primary Author mixed material 9797812421 Jakarta Erlangga 2006 Purwanto, Djoko Primary Author mixed material 9796885026 Jakarta Erlangga 2003 Untuk Ekonomi dab Keuangan Modern Purwanto S.K Additional Author Suharyadi Primary Author mixed material 9796911612 Jakarta Salemba Empat 2004 Untuk Ekonomi dan Keuangan Modern Purwanto S.K Additional Author Suharyadi Primary Author mixed material 9796911612 Jakarta Salemba Empat 2003 Djoko Purwanto Additional Author mixed material 979688502 Jakarta Erlangga 2003 Djoko Purwanto Additional Author mixed material 9797812421 Jakarta Erlangga 2006 Djoko Purwanto Additional Author mixed material 9797812421 Jakarta Erlangga 2006 Djoko Purwanto Additional Author mixed material 9796885026 Jakarta Erlangga 2006 Djoko Purwanto Additional Author mixed material 9794144995 Jakarta Erlangga 1997 Suhardi Additional Author Purwanto S.K Additional Author mixed material 9796911612 Jakarta Salemba Empat 2004