00521nam a2200157Ia 450000500170000000800410001702000180005808200150007610000220009124500730011326000450018630000100023194200070024199900190024895200960026720260205105315.0260111s9999||||xx |||||||||||||| ||und||  a9780670082964  a650  G346W  aGopalakrishan, R. 0aWhen the penny drops: learning what's not taught/by R. Gopalakrishan  aNew DelhibPortfolio PEnguin Groupc2010  a181p.  cBK  c264089d264089  00104070aMMbMMd2026-02-05l0o650  G346WpMM20959r2026-02-05 10:53:15w2026-02-05yBK