A study on common errors of using gerund and present participle made by second - year english majors at hanoi open university / Nguyễn Quỳnh Nga; GVHD: Lê Thị Ánh Tuyết

a study on improving vocabulary of phrasal verbs for second - year english majors at hanoi open university / Nguyễn Thị Huệ; GVHD: Phạm Thị Minh Phương

difficulties faced by second - year english major students at hanoi open university in online speaking classes and suggested solutions / Phạm Nguyên; GVHD: Nguyễn Văn Quang

how to improve speaking skills for the second year english majors at hanoi open university / Trương Thị Lan Hương; GVHD: Nguyễn Thị Mai Hương