SMALL-Ada: personal computer courseware for studying concurrent programming. - Michael B. Feldman; Arthur Vargas Lopes; Manuel A. Pérez-Quiñones (SIGCSE, 1990)

A Controlled Experiment with Software for Teaching Ada Tasking. - Arthur Vargas Lopes; Michael B. Feldman; Rachelle S. Heller (TRI-Ada, 1993)

GW-Ada/Ed: free Ada 83 development environments for IBM PC-compatible and Apple Macintosh computers. - Michael B. Feldman; Charles W. Kann; Arthur Vargas Lopes; Manuel A. Pérez-Quiñones (TRI-Ada, 1995)

Ada+SQL-an overview. - Arthur Vargas Lopes (SIGAda, 1999)