?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Utami%2C+Runtut+Prih&rft.aulast=Utami&rft.aufirst=Runtut+Prih&rft.date=1+September+2016&rft.isbn=9786026180230&rft.btitle=ENSIKLOPEDIA+ECHINODERMATA&rft.tpages=46&rft.genre=book