000 00333nam a2200121Ia 4500
005 20260205042149.0
008 260111s9999||||xx |||||||||||||| ||und||
100 _aAlexander, William M & Halverson, Paul M.
245 0 _aEffective Teaching In Secondary Schools
260 _aNew York
_bRinehart
_c1957
300 _a564p.
942 _cBK
999 _c28083
_d28083