“An Interactive Software for a Hypertext Course in Wavelets”, in IEEE Digital Signal Processing Workshop (DSP), Loen, Norway, 1996.
, “ArboX, a Contribution to Digital Library”, Computer Applications in Engineering Education, vol. 8, pp. 216–220, 2000.
, “ArboX, a Contribution to Digital Library”, in International Conference on Engineering and Computer Education (ICECE), Rio de Janeiro, Brazil, 1999.
,