Improving online learning: Student perceptions of useful and challenging characteristics. - Liyan Song; Ernise Singleton; Janette R. Hill; Myung Hwa Koh (Internet High. Educ., 2004)

Tupelo Enacted: How Teachers Shape Learning Opportunities in Middle Grades Mathematics. - Chandra Hawley Orrill; Holly Garrett Anthony; Andrew Izsák; Ernise Singleton (ICLS, 2006)