Bibliografi : hlm. 288-290 No Inv.: 133099/SM/Perp/12/1c
Bibliografi : hlm. 288-290 No Inv.: 132174/SM/Perp/12/1c~141411-141415/P/Perp/14/5c
Judul asli : "Improving Children`s Learnings Ability"
No Inv.: 128448/SM/Perp/10/1c
Termasuk bibliografi No Inv.: 135826/PH/Perp/13/1c~141156/PSM/Perp/14/1c~146602-146604/P/Perp/14/3c
No Inv.: 131860/SM/Perp/12/1c
Bibliografi : hlm 57
No Inv.: 1173/Perp/85/1c~1640-1643/BD/Perp/87/4c
Bibliografi : hlm. 253-254
Bibliografi : hlm. 139-140