Bahar, R., Retnawati, H., Hidayat, O. and Sudarna, N. (2024) “A Meta analysis: Does PBL influence junior high school students’ mathematics abilities?”, Jurnal Math Educator Nusantara: Wahana Publikasi Karya Tulis Ilmiah di Bidang Pendidikan Matematika, 10(1), pp. 55-70. doi: 10.29407/jmen.v10i1.21324.