Cinderella sang taipan Yunani = secrets of cinderella's awakening / Sharon Kendrick ; alih bahasa, Erna Kristianti ; editor, Jimmy Simanungkalit Kembalinya sang pria Yunani / oleh, Sharon Kendrick; alih bahasa, Aline Tobing, editor, Dania Sakti Always English / Erna Fitriani, Ratih Sumiratingratri ; editor, Didik Djunaedi Kumpulan cerita anak istimewa : pemberani dan mandiri / Erna Fitrini, ratih Soe English is cool / Erna Fitriani, Ratih Sumiratingratri ; editor, Didik Djunaedi Aku memang beda : kumpulan cerita anak istimewa / Erna fitrini, Ratih Soe ; ilustrasi, Kabita StudioI love reading : Activity book level 1 / Erna Fitrini, Ratih Sumiratingratri ; editor, Didik DjunaediEnglish everywhere / Erna Fitrini, Ratih Sumiratingratri; editor, Didik DjunaediI love english / Erna Fitriani, Ratih Sumiratingratri ; editor, Didik DjunaediI love school / Erna Fitriani, Ratih Sumiratingratri ; editor, Didik Djunaedi