000			00614nam a22002057a 4500
999			_c56861 _d56861
003			OSt
005			20190730032901.0
008			190228b ||||| |||| 00| 0 eng d
040			_aOSt _bEnglish _cOSt _dOSt
082			_a373 / C13s
100			_aCallahan, Sterling G . _9114382
245			_aSuccessful teaching in secondary schools / _cSterling G Callahan.
250			_aRevised ed.
260			_aNew Delhi : _bEurasia, _cc 1975.
300			_a484 p. : _bill. ; _c22 cm.
490			_aA guide for student and in-service teachers.
508			_a339
650			_aHigh school teaching. _9220662
942			_2ddc _cBK