SITI ANNISA YULIANA; AVINI MARTINI; TITI SETIAWATI. PENGARUH MODEL PROBLEM BASED LEARNING (PBL) BERBANTUAN MEDIA PAKLINGTAR TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA PADA MATERI KELILING BANGUN DATAR. JESA - Jurnal Edukasi Sebelas April, [S. l.], v. 10, n. 1, p. 87–92, 2026. Disponível em: https://ejournal.unsap.ac.id/index.php/jesa/article/view/2748. Acesso em: 21 jul. 2026.