HASTUTI, P. .; THOHIRI, R.; PANGGABEAN, Y. . Pengembangan E-Module Berbasis Problem Based Learning Mata Pelajaran Ekonomi Kelas X SMA Negeri 1 Percut Sei Tuan Tahun Ajaran 2018/2019. Ganaya : Jurnal Ilmu Sosial dan Humaniora, [S. l.], v. 3, n. 2, p. 290–299, 2020. Disponível em: https://jayapanguspress.penerbit.org/index.php/ganaya/article/view/500. Acesso em: 22 jul. 2024.