No Inv.: 112369,112370/P/Perp/08/2c
No Inv.: 06/S/Perp/95/1c
No Inv.: 85814/S/Perp/03/1c
No Inv.: 813/Pb/Perp/92/1c
No Inv.: 85811/S/Perp/03/1c
Modul Air :Buku 3 Petunjuk Guru
No Inv.: 17345/Perp/68/1c
No Inv.: 301-312/Perp/79/12c
Judul asli : "Teaching Elementary School Mathematics for Understanding"
No Inv.: 85813/S/Perp/03/1c