Ngô, N. H. (2009). An investigation into the vocabulary learning strategies used by the freshman English majors at An Giang University: Master Thesis - Major: Principles and Methods in English Language Education. Can Tho: Can Tho University.

Ngô, Ngọc Hòa. An Investigation Into the Vocabulary Learning Strategies Used By the Freshman English Majors At An Giang University: Master Thesis - Major: Principles and Methods in English Language Education. Can Tho: Can Tho University, 2009.

Ngô, Ngọc Hòa. An Investigation Into the Vocabulary Learning Strategies Used By the Freshman English Majors At An Giang University: Master Thesis - Major: Principles and Methods in English Language Education. Can Tho: Can Tho University, 2009.