Nugrahani, Ananti. 2020. “UPAYA PENINGKATAN HASIL BELAJAR DENGAN MODEL PROBLEM BASED LEARNING (PBL) PADA PEMBELAJARAN IPS KELAS V SD IT BALIKPAPAN ISLAMIC SCHOOL”. Prosiding Seminar Nasional PPG Universitas Mulawarman 1 (December):49-57. https://doi.org/10.30872/semnasppg.v1.695.