Pangalila, M., Regar, V. and Monoarfa, J. 2024. PENERAPAN MODEL PROJECT BASED LEARNING (PJBL) PADA PEMBELAJARAN MATEMATIKA MATERI BANGUN RUANG SISI LENGKUNG. SOSCIED. 7, 2 (Nov. 2024), 783-789. DOI:https://doi.org/10.32531/jsoscied.v7i2.884.