Efforts to Improve Learning Outcomes Elementary School Science Thematic Through Implementation of the Project Based Learning ( PjBL ) Learning Model. J. Intellect. Sufism. Res. [Internet]. 2023 Nov. 30 [cited 2026 Aug. 25];6(1):62-71. Available from: https://jurnal.jagadalimussirry.com/index.php/ojs/article/view/163