na INLIS000000000000964 20230117010222 0010-041500000000174 230117 0 9796836516 153.1 153.1 AND l Anderson, Roy Langkah Pertama Membuat Siswa berkonsentrasi / Roy Anderson Jakarta : Indeks, 2008 ix, 133 hlm ; ;23 cm Biblio. hlm127-136 Proses Mental sadar - Memori Perpusdakedirikota 1362(15927)/PU-KDR/PP/2009 1593(15928)/PU-KDR/PP/2009 1350(15926)/PU-KDR/PP/2009