000 00304nam a2200109Ia 4500
100 _aLangley, Rita
942 _cBK
245 _aTeaching elementary science
_bThe teachers guide to effective classroom activities
260 _aParker Publ Co Inc, West Nyack
_c1968
082 _a372.3 Lan
300 _aviii,276
999 _c2210
_d2210