00719nam a2200205Ia 450000100060000000300050000600500170001100800410002801000150006902000340008405000180011808200160013610000270015224501040017926000570028330000330034050400410037365000520041470000470046640456BIBL20160527200323.0740429c19741975njua     b    00010 eng    a 74008548   a0131322583a0131322419 (pbk.)0 aLB1585b.B818  a372.3/5/04410aButts, David P.2Local10aChildren and sciencebthe process of teaching and learningc[by] David P. Butts [and] Gene E. Hall.0 aEnglewood Cliffs, N.J.bPrentice-Hallc[1974, c1975]  aviii, 283 p.billus.c23 cm.  aIncludes bibliographical references. 0aSciencexStudy and teaching (Elementary)2Local10aHall, Gene E.d1941-ejoint author.2Local