00382nam a2200169Ia 4500003000400000005001700004008004100021020001900062040000700081041000800088082001600096100001400112245002400126260003900150300000900189650001400198OSt20250819122559.0250729s2005    xx            000 0 und d  a978-8176489423  cAL  aeng  a370.78 GUPR  ajoshi S R  aTeaching of science  aNew DelhibAshish Publishingc2005  a220p  aEducation