00300nam a2200121Ia 450000500170000000800410001704100080005808200130006610000160007924500410009526000330013630000090016920260720174620.0260720s2026    xx            000 0 und d  aeng  a370 SHAP  aSharma, R N  aPrinciples & techniques of education  aNew DelhibSurjeet Publisher  a313p