“PENINGKATAN HASIL BELAJAR SEJARAH MELALUI PENERAPAN METODE PEMBELAJARAN PROBLEM SOLVING PADA SISWA KELAS XI SMA NEGERI 3 KUPANG”. Integrative Perspectives of Social and Science Journal 3, no. 10 Oktober (October 8, 2026): 558–564. Accessed October 21, 2026. https://ipssj.com/index.php/ojs/article/view/2083.