No Inv.: 117179/P/Perp/09/1c
Judul asli : "Teaching Elementary School Mathematics for Understanding"
No Inv.: 13492/P/Perp/94/1c
No Inv.: 427/P/Perp/97/1c
Bibliografi : hlm. 96-104 No Inv.: 138602-138603/P/Perp/14/2c
No Inv.: 2587-2588/P/Perp/91/2c~5629-5644/P/Perp/92/15c~12761-12764/P/Perp/94/5c~4661-4665/P/Perp/97/5c~75502-75509/01/9 C.
No Inv.: 233-241/P/Perp/96/10c
No Inv.: 122346-122350/P/Perp/10/5c(jil.1)~128713/PSM/Perp/10/1c Jil.1~135443/SM/Perp/13/1c
No Inv.: 734-735/BD/Perp/86/2c
No Inv.: 1333/P/Perp/95/1c