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 The epos of Euclidean Geometry in Greek secondary education(18361985): Pressure
for change and resistance. Educational studies in mathematics, 21:
491508, 1990.
 Peer Teaching in mathematics classrooms: a case study. For the Learning
of Mathematics, 22(2), 3136, 1990
 Geometry is motion: a dynamic approach to the teaching of school geometry.
International Journal of Mathematical Education in Science and
Technology, 22(2), 229242, 1991.
 Another Look at Cendrois of Quadrilaterals. International Journal of
Mathematical Education in Science and Technology, 23(3), 359369, 1992.
 The Magic of Generalization. International Journal of Mathematical
Education in Science and Technology, 23(4), 509516, 1992.
 An Interesting Triangle. International Journal of Mathematical
Education in Science and Technology, 23(3), 485507, 1992.
 Problems in Training Secondary Mathematics Teachers ; The Greek Experience.
International Journal of Mathematical Education in Science and
Technology, 23(2), 287299, 1992.
 Explorations in School Calculus: a case study. International Journal of
Mathematical Education in Science and Technology, 23(6), 881894, 1992.
 The Toothpick Problem and Beyond. Mathematics Teacher, 85(7),
543556, 1992.
 Fostering autolearning abilities in mathematics: a Greek experience. International
Journal of Mathematical Education in Science and Technology, 24(4),
553567, 1993.
 What is the Fundamental Theorem of Integral Calculus?. International
Journal of Mathematical Education in Science and Technology, 24(5),
685687, 1993.
 Controlling Mathematics Classrooms: a Case Study. For the Learning of
mathematics, 3, 2531, 1993.
 When is a quadrilateral a parallelogram?. Mathematics Teacher,
87(3), 208211, 1994.
 Ideas and processes in mathematics: A course on history and philosophy of
mathematics. Studies in Philosophy and Education, 12, 245256, 1993.
 Teaching Logarithms via their History. School Science and Mathematics,
93(8), 428434,1993.
 Exploring Repunits. School Science and Mathematics, 94(3), 142145,
1994.
 Variations on a Toothpick Problem. Mathematics in School, 23(4),
3031, 1994.
 Concept Worksheet: An Important Tool for Learning. Mathematics Teacher,
88(2), 98100, 1995.
 Let's put history into our mathematics classrooms. Mathematics in School,
24(2), 1819, 1995.
 The NCTM Standards and the Philosophy of Mathematics. Studies in Philosophy
and Education, 16, 317330, 1997.
 "Cooperative study teams in mathematics
classrooms", International Journal of Mathematics Education in Science and
Technology, vol. 35(5), 669680, 2004.
 "A
mathematical diet model", Teaching mathematics and its Applications,
vol.23(4), 165 171

"Are
there numbers, which equal their logarithms? A computerbased activity",
Teaching Mathematics and its Applications, 2005.

"Expanding in  service
mathematics teachers' horizons in creative work using technology",
International Journal of Mathematics Education in Science and Technology, 2006
