00400nam a2200109Ia 450000500170000000800410001708200220005824501270008026000580020730000090026565000160027420240821160618.0240821s9999||||xx |||||||||||||| ||und||  a510 RES (RIE-Rep) 0aResource material for setting up of mathematics laboratory at upper primary and secondary level schools in telangana state  aMysurubRegional Institute of Education (NCERT)c1918  a94p.  aMathematics