000			00587nam a22002057a 4500
999			_c55848 _d55848
003			OSt
005			20190701181636.0
008			190227b ||||| |||| 00| 0 eng d
040			_aOSt _beng _cOSt _dOSt
082			_a373 / R494p
100			_aRisk, Thomas M. _9112470
245			_aPrinciples and practices of teaching in secondary schools / _cThomas M. Risk.
250			_a3rd ed.
260			_aNew York : _bAmerican Book, _cc 1958.
300			_a526 p. : _bill. ; _c24 cm.
500			_aIncludes index.
508			_a11
650			_aSecondary education. _9112471
942			_2ddc _cBK