Sri Hayati, Ria Kurniasari and Hani Handayani (2025) “PENGARUH MODEL PEMBELAJARAN PROBLEM BASED LEARNING (PBL) BERBANTUAN MEDIA POP-UP BOOK TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA MATERI KELILING DAN LUAS PERSEGI PANJANG”, JESA - Jurnal Edukasi Sebelas April, 9(2), pp. 115–124. Available at: https://ejournal.lppmunsap.org/index.php/jesa/article/view/1823 (Accessed: 5 August 2025).