Tháng 5-2011 sẽ tổ chức khảo sát thử nghiệm chương trình quốc tế đánh giá học sinh
(SGGPO).- Việt Nam đã đăng ký thời gian tổ chức khảo sát thử nghiệm Chương trình quốc tế đánh giá học sinh (PISA) vào ngày 17, 18 và 19 tháng 5-2011.
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