The impact of a technology-based mathematics after-school program using ALEKS on student's knowledge and behaviors Вид публикации: Journal Article Авторы: Scotty D.Craig; Xiangen Hu; Arthur C.Graesser; Anna E.Bargagliott; Allan Sterbinsky; Kyle R. Cheney; Theresa Okwumabua Источник: Computers & Education, Volume 68, № 68, p.495-504 (2013)