Can mood-inducing videos affect problem-solving activities in a web-based environment? - Ria Verleur; Pløn W. Verhagen; Ard Heuvelman (Br. J. Educ. Technol., 2007)

Trigger videos on the Web: Impact of audiovisual design. - Ria Verleur; Ard Heuvelman; Pløn W. Verhagen (Br. J. Educ. Technol., 2011)