Im, J., & Jang, G. (2011). Economy TOEIC: Actual tests. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh; Công ty TNHH Nhân Trí Việt.
শিকাগো স্টাইলে সাইটেশনIm, Jeong-seop, এবং Gwang-hyeop Jang. Economy TOEIC: Actual Tests. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh; Công ty TNHH Nhân Trí Việt, 2011.
এমএলএ সাইটেশনIm, Jeong-seop, এবং Gwang-hyeop Jang. Economy TOEIC: Actual Tests. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh; Công ty TNHH Nhân Trí Việt, 2011.
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