A Handbooks with practice : beginning English writing skills
English skills with readings
Intermediate english grammar book
A writer's resource :a handbook for writing and research
Longman preparation course for the TOEFL test
Upgrade TOEFL score : rahasia melejitkan skor TOEFL
Multilingual : tata bahasa Arab-Inggris-Indonesia integrasi-interkoneksi : triple language method, interpretation's methode
Toefl preparation book untuk pemula
The Cambridge guide to second language assessment
Assesing grammar