Jaffe, E., Stephen Hilbert, & Nguyễn Văn Phước. (2001). Gmat - Chương trình luyện thi Gmat: How to Prepare for the graduate management admission (In lần thứ 11.). Tp. Hồ Chí Minh: Trẻ.
শিকাগো স্টাইলে সাইটেশনJaffe, Eugene, Stephen Hilbert, এবং Nguyễn Văn Phước. Gmat - Chương Trình Luyện Thi Gmat: How to Prepare for the Graduate Management Admission. In lần thứ 11. Tp. Hồ Chí Minh: Trẻ, 2001.
এমএলএ সাইটেশনJaffe, Eugene, Stephen Hilbert, এবং Nguyễn Văn Phước. Gmat - Chương Trình Luyện Thi Gmat: How to Prepare for the Graduate Management Admission. In lần thứ 11. Tp. Hồ Chí Minh: Trẻ, 2001.
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