20 1 10 Vinca Chandra Primary Author mixed material 9792218343 Jakarta Gramedia Pustaka Utama Silvester Goridus Sukur Primary Author mixed material 9792399348 Yogyakarta Indonesia Cerdas 2007 Sam. S. Warib Primary Author mixed material Jakarta Sandro Jaya Whiz Up Your English and Be Great Inez Santi Primary Author mixed material 9789792909548 Yogyakarta Andi Offset Laode Abd. Azis Primary Author M. Kasir Ibrahim Additional Author mixed material Surabaya Pustaka Tinta Emas mixed material 9786029787641 Yogyakarta Diva Press 2011 English Grammar Nur Shofiani Primary Author mixed material Citra Pelajar 1998 Henry Guntur Tarigan Primary Author mixed material 9794044431 Bandung Angkasa 1988 Anton M. Moeliono Primary Author mixed material Jakarta Gramedia 1984 Houghton Mifflin Primary Author mixed material 0395502675 Boston Houghton Mifflin Company 1990