TY - BOOK T1 - Instructional design principles and application A2 - Briggs, Leslie J. LA - English PP - Englewood Cliffs, NJ PB - Educational Technology YR - 1977 UL - https://ds.mainlib.upd.edu.ph/Record/UP-1685523046125014768 OP - 532 CN - LB 1025.2 I64 1977 SN - 0877780986 KW - Lesson planning. KW - Teaching. ER -