Momongan, J., Mangobi, J. and Ermita, E. 2025. PENGARUH PENERAPAN MODEL PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR SISWA MATERI BANGUN RUANG SISI LENGKUNG KELAS IX SMPN 3 TONDANO. SOSCIED. 8, 1 (Jun. 2025), 86-93. DOI:https://doi.org/10.32531/jsoscied.v8i1.915.