Baca "Satu Bahasa Inggeris Tatabahasa Advanced dengan Latihan" oleh Kittredge dan Farley!
Read "An Advanced English Grammar with Exercises" by George Lyman Kittredge and Frank Edgar Farley!
Once you install this app, you can read it by 1-click without connecting network.
You can also check your "Reading Score" from the menu.