00402nam a2200181Ia 4500003000400000005001700004008004100021020001800062040000700080041000800087082001700095100001600112245002000128260003200148300000900180650001400189700001700203OSt20250823103315.0250729s1900    xx            000 0 und d  a9788176487719  cAL  aeng  a371.333 KHAS  aKhan Sharif  aSchool teaching  aNew DelhibA P H Publishing  a107p  aEducation  aMohamad Syed