Siti Annisa Yuliana, Avini Martini, and Titi Setiawati, “PENGARUH MODEL PROBLEM BASED LEARNING (PBL) BERBANTUAN MEDIA PAKLINGTAR TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA PADA MATERI KELILING BANGUN DATAR”, JESA, vol. 10, no. 1, pp. 87–92, Feb. 2026.