CHAIRUNNISA AULIA UTAMI HARAHAP; FITRA SUZANTI; SRI WULANDARI. Pengembangan E-LKPD Berbasis Problem Based Learning Materi Sistem Ekskresi Kelas XI. NUSRA : Jurnal Penelitian dan Ilmu Pendidikan, [S. l.], v. 7, n. 1, p. 153–157, 2026. DOI: 10.55681/nusra.v7i1.4095. Disponível em: https://ejournal.nusantaraglobal.ac.id/index.php/nusra/article/view/4095. Acesso em: 6 mar. 2026.