Toefl test: a quick and effective strategy to understand structure and writtrn expression (kupas tuntas strategi cepat dan efektif memahami soal structure dan written expression
Kesalahan-kesalahan yang sering terjadi dalam penggunaan bahasa Inggris
A concise introduction to English morphology and syntax
English from Radio Australia : Bahasa Inggris lewat radio Australia
Complete and comprehensive english grammar:cara cepat menguasai english grammar
Ujian dan pembahasab TOEFL : structure and written expression
Essential linguistics : what you need to know to teach reading, ESL, spelling, phonics, and grammar
Tenses vocabulary and conversation for nursing
Build up your English reading skill : readings prepared for English as foreign language in three levels
IELTS killer : cara pasti mendapat skor IELTS 7.0