Robert Frank Mager

Making instruction work, or, Skillbloomers

Robert Frank Mager, 1988 .

Preparing instructional objectives : a critical tool in the development of effective instruction

Robert Frank Mager, Robert Frank Mager, R. Mager, 1997 .

Making instruction work, or, Skillbloomers : a step-by-step guide to designing and developing intruction that works

Robert Frank Mager, 1997 .