Sweller, John, 1946- Cognitive load theory / John Sweller, Paul Ayres, Slava Kalyuga. - New York : Springer, c2011. - xvi, 274 p. : ill. ; 24 cm. - Explorations in the learning sciences, instructional systems and performance technologies . Includes bibliographical references and index. ISBN: 9781441981257 LCCN: 2011922376 Subjects--Topical Terms: Cognitive learning.Educational psychology.Instructional systems--Design. LC Class. No.: LB1062 / .S94 2011 Dewey Class. No.: 370.15 SWE