No Inv.: 114953/SM/Perp/08/1c
No Inv.: 118966-118968/P/Perp/09/3c
No Inv.: 79471,79472/01/2c~847/S/Perp/88/1c~1557-1558/S/Perp/88/2c~929-934/S/Perp/94/6c~384/S/Perp/92/1c
Judul asli : "Striking a Balance : Teaching Values and Freedom"
No Inv.: 319-328/P/98/10c
Judul asli :"Great Scientific Experiments Twenty Experiments..."
No Inv.: 118205-118209/P/Perp/09/3c