October 28, 2009 DM 472, s. 2009 – Changes To Deped Memorandum No. 431, S. 2009 (National Education Conference On Understanding By Design) | Department of Education

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October 28, 2009 DM 472, s. 2009 – Changes To Deped Memorandum No. 431, S. 2009 (National Education Conference On Understanding By Design)