A Study of Student Performance in Combined Courses. - Letha H. Etzkorn; Mary Ellen Weisskopf; Sampson Gholston (J. Inf. Syst. Educ., 2004)

The effect of uncontrolled concurrency on model checking. - Donna M. Carter; Ramazan Savas Aygün; Glenn W. Cox; Mary Ellen Weisskopf; Letha H. Etzkorn (Concurr. Comput. Pract. Exp., 2008)

Predicting Computer Science Ph.D. Completion: A Case Study. - Glenn W. Cox; William E. Hughes Jr.; Letha H. Etzkorn; Mary Ellen Weisskopf (IEEE Trans. Educ., 2009)