Crowder J.A. Artificial Cognition Architectures / J. A. Crowder, J. N. Carbone, Sh. A. Friess, 2014 r=on-line. - Текст : электронный.
Crowder J.A. Agile Project Management: Managing for Success / J. A. Crowder, S. Friess, 2015 r=on-line. - Текст : электронный.