a text book for class XI Aroar, Sumita creator Delhi Dhanpat Rai 2004r 4th ed xv, 448, A-15 p 24 cm (pbk) by Sumita Arora This is reprint 2004 005.13 RP-ZLS-1901 / PANSY-04-05:2 / RP-04-05:ENG5