{"source":"book","style":"apa","contributors": [{"function":"author","last":"Sousa","first":"David","middle":"A"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"How the brain learns mathematics.","year":"2015"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"927064311","isbn":"9781483368467 1483368467"}