https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Ohlsson%2C%20Stellan%22&sort_by=title_az&format=rss 2 0 50 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=76954 By Ohlsson, Stellan.
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474-482

]]> Place hold on Simulating the understanding of arithmetic : a response to Schoenfeld

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=76954 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=64213 By Ohlsson, Stellan.
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441-467

]]> Place hold on The cognitive complexity of learning and doing arithmetic

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