na INLIS000000000005639 20260326101955 0010-0326000019 Gemilang OSN Matematika SMP/MTs / Rully Charitas Rully Charitas cet. 1 212 hlm. Perpustakaan Umum Kabupaten Toba Indra Prahmana Jakarta : Erlangga, 2023 510 510 RUL g 9786231809834 Rully Charitas SOAL OSN 260326 f u ara 25.01.00369.1 25.01.00369.2 25.01.00369.3