Agarwal,Ashok K. Mastering PC software: Lotus 1-2-3,Wordstar and dBaseIII plus / Agarwal,Ashok K. - 1st ed. - Hyderabad: Universities Press, 1993. - vi,473p;26cm Includes bibliographical references. ISBN: 8173710007 Dewey Class. No.: 005.133 AGA