A concise introduction to English morphology and syntax
JEFL : Journal on english as a foreign language
English from Radio Australia : Bahasa Inggris lewat radio Australia
Complete and comprehensive english grammar:cara cepat menguasai english grammar
Contemporary English : Indonesia dictionary
English by pharases
Ujian dan pembahasab TOEFL : structure and written expression
American idioms dictionary (Inggris-Indonesia)
Best of the best : complete TOEFL test preparation
A complete grammar for TOEFL preparation : skor TOEFL dapat merubah karir Anda