Stigler, J. W., & Hiebert, J. (2020). Lỗ hổng giảng dạy. Nhà xuất bản Trẻ - DT Books.
শিকাগো স্টাইলে সাইটেশনStigler, James W., এবং James Hiebert. Lỗ Hổng Giảng Dạy. Nhà xuất bản Trẻ - DT Books, 2020.
এমএলএ সাইটেশনStigler, James W., এবং James Hiebert. Lỗ Hổng Giảng Dạy. Nhà xuất bản Trẻ - DT Books, 2020.
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