Ray Pelletier

发表

Ray Pelletier, 2005, Occupational health & safety.

John R. Anderson, Ray Pelletier, John R. Anderson, 2008 .

John R. Anderson, Albert T. Corbett, Kenneth R. Koedinger, 1995 .

Albert T. Corbett, John R. Anderson, K. Koedinger, 1995 .