5 1 10 Bebbi Oktara Primary Author mixed material 9789790560215 Kota Besi PT.Pijar 2010 Nur Fraisial, M,Sc. Primary Author Riswiyanto,M.si Additional Author Prof.Dr.Wahyudi Priyono Additional Author mixed material 9786029771503 Bekasi CV.graha pustaka kreasindo 2010 Lembaga olimpiade pendidikan Indonesia Primary Author mixed material 9786027638150 Hoboken, NJ PT.Bina Prestasi insani 2012 Wono Setya Budhi Primary Author mixed material 9799817501 jakarta Libraries Unlimited 2003 Agus D.Permana Primary Author Anggraini Barlian Primary Author Erly Marwani Primary Author Haru Suandharu Primary Author Iriawati Primary Author Pingkan Aditiawati Primary Author Ramadhani E. Putra Primary Author Suripto Primary Author Devi N. Choesin Primary Author Tati S. Subahar Primary Author mixed material 9793586001 Tim olimpiade Indonesia dan Derektorat Jenderal Pendidikan