Bibliografi : hlm. 178-179 No Inv.: 136420/SM/Perp/13/1c
Bibliografi : hlm. 179-202 No Inv.: 138563/P/Perp/14/1c
No Inv.: 113677/P/Perp/08/1c
Judul asli : "Improving Children`s Learnings Ability"
Bibliografi : hlm. 378-380
Bibliografi : hlm. 379-433
Bibliografi : hlm. 395-427
Bibliografi : hlm. 307-315