000 00382nam a2200145Ia 4500
008 131111s9999 xx 000 0 und d
100 _aRisk,Thomas M
245 _aPrinciples and practices of teaching in secondary school
260 _aNew Delhi
260 _bEurasia pub.house
260 _c1985
300 _a526p.
650 _aEducation
_aEducation-Secondary
763 _a1321
999 _c53442
_d53442