Meningkatkan Motivasi Belajar Siswa Melalui Penerapan Model Layanan Bimbingan Konseling Berbasis Portofolio. JPE [Internet]. 2020 Oct. 29 [cited 2026 Sep. 5];7(2):55-64. Available from: https://jurnal.goretanpena.com/index.php/JPE/article/view/435