Hypermedia for mathematics: authoring courses with HMLE. - Jari Multisilta; Kostadin Antchev; Seppo Pohjolainen (WCCE, 1995)

Matrix algebra with hypermedia. - Seppo Pohjolainen; Jari Multisilta; Kostadin Antchev (Educ. Inf. Technol., 1996)

A WWW Learning Environment for Mathematics. - Jari Multisilta; Kostadin Antchev; Markku Luhtalahti; Seppo Pohjolainen; Kari Suomela (World Wide Web J., 1996)

Hypermedia learning environment for mathematical sciences. - Seppo Pohjolainen; Jari Multisilta; Kostadin Antchev (Computer-Human Interaction in Symbolic Computation, 1998)