TY - BOOK T1 - Your window to the future A1 - Gillett, Grover LA - English PP - Dallas PB - [s.n.] YR - 1980 ED - 2nd ed. UL - https://tuklas.up.edu.ph/Record/UP-99796217601878174 OP - 86 CN - CB 161 G45 1980 KW - Forecasting. KW - Twenty-first century : Forecasts. ER -