00000nam 2200000 4500 INLIS000000000862773 20210621015537 0010-0621000468 ta 210621###########################0#ind## 510 PEN p 510 PEN p Pengurangan buku latihan usia 5-6 Cet. 1 Jakarta : : Erlangga For Kids, 2015 78 hlm.; 21x 28 cm : ilus ; 28 cm Matematika 1562/PKP-B/DAK/2019 1563/PKP-B/DAK/2019 1564/PKP-B/DAK/2019