HULU, Anugrah Christian; LILIANA PUSPA SARI; SEMBIRING, Ibrahim. Efforts to Improve Learning Outcomes of Badminton Forehand Lob Game Using Problem Base Larning Method. Jumper: Jurnal Mahasiswa Pendidikan Olahraga, [S. l.], v. 1, n. 1, p. 1–8, 2020. DOI: 10.55081/jumper.v1i1.120. Disponível em: https://jurnal.stokbinaguna.ac.id/index.php/JUMPER/article/view/120. Acesso em: 17 aug. 2026.