Home › Authors › Marshall J. Farr 👤 Marshall J. Farr 5 books Books by Marshall J. Farr Aptitude, Learning and Instruction 2021 Aptitude, Learning, and Instru Aptitude, Learning, and Instruction : Volume 3 2021 Intelligent Instruction Computer 2013 The long-term retention of knowledge and skills 2011 Conative and affective process analysis 1987