BY Otto Laske
ON January 27, 2017 08:15 AM
have a look at my books at Amazon where DDO has been discussed since 2000 in much more detail, as to cognitive development as well, Otto Laske.
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COMMENTS
BY Otto Laske
ON January 27, 2017 08:15 AM
have a look at my books at Amazon where DDO has been discussed since 2000 in much more detail, as to cognitive development as well, Otto Laske.