Woro Prastika, et al. “Implementation of Plasticine As a Teaching Aid to Develop Understanding of the Concept of the Perimeter of Plane Figures Among Fifth-Grade Students at SDN 2 Bendanpete: Implementasi Media Plastisin Sebagai Alat Peraga Untuk Membangun Pemahaman Konsep Keliling Bangun Datar Kelas V SD N 2 Bendanpete”. Santhet (Jurnal Sejarah Pendidikan Dan Humaniora), vol. 10, no. 5, Oct. 2026, pp. 2029-38, doi:10.36526/santhet.v10i5.9402.