000 00372nam a2200145Ia 4500
008 180710s9999 xx 000 0 und d
020 _a169715
082 _a371.3
_bRIS
100 _aRISK, Thomas
245 _aPrinciples and practices of teaching in secondary school
260 _aNew Delhi
_bEurasia pub.
_c1965
300 _a524 p.
650 _aTeaching
942 _cS
999 _c75403
_d75403