TY - BOOK AU - Anderson,Lorin W. AU - Walberg,Herbert J. ED - National Association of Secondary School Principals U.S. TI - Timepiece, extending and enhancing learning time SN - 088210280X (pbk.) PY - 1993/// CY - Reston, Va. PB - National Association of Secondary School Principals KW - Educational psychology KW - Local KW - Time management KW - Learning N1 - Productive use of time -- Cycles, rhythms, and the meaning of school time -- What time tells us -- Changing the cosmology of the school schedule -- Year round education : it's time -- Use of out-of-school time ER -