Rao PP, Nursalim N, Suratman S. Pengaruh Model Pembelajaran Problem Based Learning terhadap Sikap Nasionalisme Siswa Kelas X-A SMK PGRI 4 Kediri. Seinkesjar [Internet]. 2022Dec.20 [cited 2024Nov.21];2(1):277 -. Available from: https://proceeding.unpkediri.ac.id/index.php/seinkesjar/article/view/3030