Judul asli : "Teaching Elementary School Mathematics for Understanding"
Bibliografi : hlm. 314-316
Bibliografi : hlm. 276-284 No Inv.: 133755, 133756/PSM/Perp/13/2c
No Inv.: 942/P/Perp/95/1c~2560/P/Perp/95/1c
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No Inv.: 134656/SM/Perp/13/1c~14115/PSM/Perp/14/1c
Bibliografi : hlm. 657-666
Bibliografi : hlm. 164-165
Bibliografi : hlm. 199-204
Bibliografi : hlm. 287-290