·      Adabas  fundamentals, Delivered by Software AG de México, 1994.

·      Natural Programming, Delivered by Software AG de México, 1994.

·      Natural Programming II, Delivered by Software AG de México, 1994.

·      Data Communications Environment, Delivered by IBM de México, 1995.

·      TCP/IP Architecture, Delivered by IBM de México, 1995.

·      TCP/IP for Work Stations, Delivered by IBM de México, 1995.

·      Client-Server Applications, Delivered by Arturo Rosenblueth Foundation, 1996.

·      Microsoft Visual Fox, Delivered by Microsoft Co., 1996.

·      Microsoft Windows NT 3.51, Delivered by Control Data de México, 1997.