Principles of instructional designRobert Mills Gagné, Robert M. Gagne, Walter W. Wager, Katharine Golas, John M. Keller · First published 1988 · Latest edition 2004Open the Tome
The conditions of learning and theory of instructionRobert M. Gagné · First published 1985Open the Tome
Psychology and human performanceRobert Mills Gagné, Robert M. Gagne · First published 1959Open the Tome