na INLIS000000000019405 20130516052830 ind 978-979-045-117-9 0010-051300000019405 ind 512.7 512.7 Mary, Ann Dudko Belajar Angka ( BabyBop ) / editor, Trisini,; penerjemah, Tofa, Cetakan : 1 Solo Tiga Serangkai 2008 24 hlm. : ilus. ;26.5 cm. Angka Teori Margie, Larsen