Chairunnisa Aulia Utami Harahap, Fitra Suzanti and Sri Wulandari (2026) “Pengembangan E-LKPD Berbasis Problem Based Learning Materi Sistem Ekskresi Kelas XI”, NUSRA : Jurnal Penelitian dan Ilmu Pendidikan, 7(1), pp. 153–157. doi: 10.55681/nusra.v7i1.4095.