{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A constructivist perspective on teaching and learning mathematics.: An article from: Phi Delta Kappan","author_name":"Deborah Schifter","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00096LDZQ.html\">A constructivist perspective on teaching and learning mathematics.: An article from: Phi Delta Kappan</a>","width":400,"height":300}