Byrne, Donn. (1992) Intermediate Comprehension Passages. Essex: Longman.
Oshima, Alice and Hogue, Ann (2006). Introduction to Academic Writing. Pearson Longman.
Azar, Betty (2002). Understanding and Using English Grammar. Pearson Longman
Byrne, Donn. (1992) Intermediate Comprehension Passages. Essex: Longman.
Oshima, Alice and Hogue, Ann (2006). Introduction to Academic Writing. Pearson Longman.
Azar, Betty (2002). Understanding and Using English Grammar. Pearson Longman