000 00538nam a2200229Ia 4500
008 210210b1947 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a370/70
100 _aRISK (T M)
245 _aPrinciples and practices of teaching in secondary schools
260 _aNew York
_bAmerican Book Co.
_c1947
650 _ateaching
650 _asecondary
650 _aschools
650 _aPrinciples
650 _apractices
650 _aof
650 _ain
650 _aand
690 _aEducation
906 _a005010
999 _c128693
_d128693