TY - BOOK T1 - Competency-based instruction a strategy to eliminate failure; a branching programmed text A1 - Nagel, Thomas S. A2 - Richman, Paul T. LA - English PP - Columbus, Ohio PB - C.E. Merrill Pub. YR - 1972 UL - https://tuklas.up.edu.ph/Record/UP-99796217603707739 OP - 98 CN - LB 1031 N35 KW - Individualized instruction. ER -