Momongan, J., J. Mangobi, and E. Ermita. “PENGARUH PENERAPAN MODEL PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR SISWA MATERI BANGUN RUANG SISI LENGKUNG KELAS IX SMPN 3 TONDANO”. SOSCIED, Vol. 8, no. 1, June 2025, pp. 86-93, doi:10.32531/jsoscied.v8i1.915.