4 1 10 Kesabaran dan Perencanaan 4 Platt, Richard Additional Author mixed material 9789797584863 Jakarta Globalindo 2007 tn_seri_ide_cemerlang_%28kesabaran_dan_perencanaan%29.JPG.JPG Sekitar kita; Lensa dan cahaya R,Weni dkk Additional Author Platt,Richard Additional Author mixed material 9789797584849 Bandung Grafindo Media Pratama 2007 tn_seri_ide_cemerlang_%28sekitar_kita%29.JPG.JPG Listrik 3 Platt, Richard Additional Author mixed material 9789797584856 Jakarta Grafindo 2007 tn_seri_ide_cemerlang_%28listrik%29.JPG.JPG Kehidupan Sehari-hari dan Kesehatan 1 Platt, Richard Additional Author mixed material 9789797584832 Jakarta Globalindo 2004 tn_seri_ide_cemerlang_%28kehidupan_sehari-hari_dan_kesehatan%29.JPG.JPG