TY - BOOK AU - Shepard, Lorrie A. AU - Smith, Mary Lee TI - Flunking grades : research and policies on retention PB - Falmer Press PY - 1989 T2 - Education policy perspectives VL - Policy studies and evaluation series EP - viii, 243 p. UR - https://ci.nii.ac.jp/ncid/BA06814926 SN - 1850003386 SN - 1850003394 ER -

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