1. Henri Wallon Sandra Bonilla Fernández 2ºA <div style=&quot;width:425px&quot; id=&quot;__ss_6166672&quot;><strong style=&quot;display:block;margin:12px 0 4px&quot;><a href=&quot;http://www.slideshare.net/sanb09/henri-wallon&quot; title=&quot;Henri Wallon&quot;>Henri Wallon</a></strong><object id=&quot;__sse6166672&quot; width=&quot;425&quot; height=&quot;355&quot;><param name=&quot;movie&quot; value=&quot;http://static.slidesharecdn.com/swf/ssplayer2.swf?doc=henriwallon-101214173218-phpapp01&stripped_title=henri-wallon&userName=sanb09&quot; /><param name=&quot;allowFullScreen&quot; value=&quot;true&quot;/><param name=&quot;allowScriptAccess&quot; value=&quot;always&quot;/><embed name=&quot;__sse6166672&quot; src=&quot;http://static.slidesharecdn.com/swf/ssplayer2.swf?doc=henriwallon-101214173218-phpapp01&stripped_title=henri-wallon&userName=sanb09&quot; type=&quot;application/x-shockwave-flash&quot; allowscriptaccess=&quot;always&quot; allowfullscreen=&quot;true&quot; width=&quot;425&quot; height=&quot;355&quot;></embed></object><div style=&quot;padding:5px 0 12px&quot;>View more <a href=&quot;http://www.slideshare.net/&quot;>presentations</a> from <a href=&quot;http://www.slideshare.net/sanb09&quot;>sanb09</a>.</div></div>