No Inv.: 1721/S/96/1c
No Inv.: 121825-121829/P/Perp/09/5c
No Inv.: 85892-85896/S/Perp/03/5c
Judul asli : "Improving Children`s Learnings Ability"
No Inv.: 127236/P/Perp/10/1c
No Inv.: 1173/Perp/85/1c~1640-1643/BD/Perp/87/4c
Index : hlm. 775-790
Bibliografi : hlm. 253-255
Bibliografi : hlm. 181-189