Citation: Je. Voelkl et Gd. Ellis, MEASURING FLOW EXPERIENCES IN DAILY-LIFE - AN EXAMINATION OF THE ITEMS USED TO MEASURE CHALLENGE AND SKILL, Journal of leisure research, 30(3), 1998, pp. 380-389
Citation: Gd. Ellis et al., MEASUREMENT AND ANALYSIS ISSUES WITH EXPLANATION OF VARIANCE IN DAILYEXPERIENCE USING THE FLOW MODEL, Journal of leisure research, 26(4), 1994, pp. 337-356