1997, Ethno Mathematics. Challenging Eurocentrism, in Arthur B. Powell, Marilyn Frankenstein (eds.) Mathematics Education, State University of New York Press, Albany 1997, p. 13–24.
Historiographical Proposal for Non-Western Mathematics, in Helaine Selin (ed.), Mathematics Across Cultures. The History of Non-Western Mathematics, Kluwer Academic Publishers, Dordrecht, 2000, pp. 79–92.