Wigglesworth, C., & Nguyễn, H. C. (2018). 21 kỹ năng trí thông minh nội tâm: SQ21: The twenty-one skills of spiritual intelligence. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh.
শিকাগো স্টাইলে সাইটেশনWigglesworth, Cindy, এবং Huy Cường Nguyễn. 21 Kỹ Năng Trí Thông Minh Nội Tâm: SQ21: The Twenty-one Skills of Spiritual Intelligence. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh, 2018.
এমএলএ সাইটেশনWigglesworth, Cindy, এবং Huy Cường Nguyễn. 21 Kỹ Năng Trí Thông Minh Nội Tâm: SQ21: The Twenty-one Skills of Spiritual Intelligence. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh, 2018.
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