TY - BOOK T1 - Understanding dBase IV A1 - Simpson, Alan 1953- LA - English PP - Singapore PB - Tech Pub. YR - 1989 UL - https://tuklas.up.edu.ph/Record/UP-99796217602237523 OP - 880 NO - Authorized Southeast Asian ed. CN - HF 5548.4 D24 S54 1989 SN - 0895885093 KW - Data base management. ER -