00354nam a2200109Ia 4500008004100000020001800041082001500059100001500074245010100089260004200190300001200232190710s9999    xx            000 0 und d  a81-203-3612-4  a372.35 K12  aKalra, R M 0aScince education for teacher trainees and In-service teachers : learning to learn modern science  aNew DelhibPHI Learning Pvt Ltdc2008  avii,176