Ratnawati, Putri SR, Marlina A. The Development of PAHIT (Papan Hitung) Teaching Aids in Mathematics Learning for Grade II Elementary School Students. TOFEDU [Internet]. 2025 Sep. 1 [cited 2025 Sep. 7];4(7):3413-2. Available from: https://journal.tofedu.or.id/index.php/journal/article/view/865