Sengupta, S. B. Co-ordinate geometry and vector analysis / S. B. Sengupta. - Rev. enl. 4th ed. - Calcutta : Joydurga library, 1987 - viii, 527p. ; 22x15cm. ISBN: : Rs.35 Subjects--Topical Terms: CO-ORDINATE GEOMETRY Dewey Class. No.: 516.16 / SEN-COO