5 1 10 Rudiyanto Additional Author Ervina Yudha Kusuma Additional Author Treays, Rebecca Primary Author mixed material 9795342053 Bandung Pakar Raya Pakarnya Pustaka Ervina Yudha Kusuma Translator Jerry Bobrow Primary Author mixed material 9780764563742 Bandung Pakar Raya 2004 Ervina Yudha Kusuma Translator Bill Handley Primary Author mixed material 0471467316 Bandung Pakar Raya 2003 Ervina Yudha Kusuma Translator Thomas Moorman Primary Author mixed material 97804714119204 Bandung Pakar Raya 2003 dengan permainan dan kegiatan, matematika menjadi mudah dan menyenangkan Lynette Long Primary Author Ervina Yudha Kusuma Translator mixed material 0471369810 Bandung Pakar Raya 2001