TY - BOOK AU - Shelly,Gary B. AU - Cashman,Thomas J. TI - Learning to use WordPerfect, Lotus 1-2-3, and dBase III Plus T2 - Shelly and Cashman series SN - 0878353577 U1 - 001.6424 PY - 1990/// CY - [Boston, MA] PB - Boyd & Fraser KW - Computer software N1 - Includes indexes ER -