00509nam a22001817a 4500003000400000008004100004020001800045082001400063100002000077245008800097250002000185260004200205300000900247650001800256650001600274650001600290700002100306OSt240127b        |||||||| |||| 00| 0 eng d  a9788177097276  a510bA26S  aAggarwal, R. S.  aSecondary School Mathematics : for class 9 / cby R. S. Aggarwal and Veena Aggarwal  a4th ed. reprint  a.- New Delhib: Bharti Bhawanc, 2006  aMics  aPure Sciences  aMathematics  aMathematics  aAggarwal, Veena.