Nguyễn, T. K. Đ. (2010). The effects of problem-based learning on non-english major seniors' critical thinking enhancement: Master of education. program: Principles and methods in english language education. Cần Thơ: Trường Đại học Cần Thơ.
শিকাগো স্টাইলে সাইটেশনNguyễn, Thị Khánh Đoan. The Effects of Problem-based Learning On Non-english Major Seniors' Critical Thinking Enhancement: Master of Education. Program: Principles and Methods in English Language Education. Cần Thơ: Trường Đại học Cần Thơ, 2010.
এমএলএ সাইটেশনNguyễn, Thị Khánh Đoan. The Effects of Problem-based Learning On Non-english Major Seniors' Critical Thinking Enhancement: Master of Education. Program: Principles and Methods in English Language Education. Cần Thơ: Trường Đại học Cần Thơ, 2010.