?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Muukka%2C+E+&rft.aulast=Muukka&rft.date=2008&rft.title=The+Feasibility+of+Use+of+Organic+Products+at+Child-Care+Centre&rft.genre=proceeding