Balagurusamy, E., Programming in BASIC E.,Balagurusamy. - 2nd ed. - New Delhi : Tata McGraw-Hill Publishing Company Limited, c1991. - xiii, 317 p.; [60] following book also having appendix from pg. no. 264 - 306 ISBN: 0074600559 Dewey Class. No.: 005.133B / BAL/PRO