S. M. Sitakar, E. Elfrida, and T. M. Sarjani, “Pengaruh Model Problem Based Learning (PBL) Menggunakan Lembar Kerja Peserta Didik Elektronik (E-LKPD) Terhadap Hasil Belajar Biologi Siswa Kelas X Di SMAN 2 Langsa: (The Influence of Problem Based Learning (PBL) Model Using E-LKPD on Biology Learning Outcomes of Grade X Students at SMAN 2 Langsa)”, Biodik , vol. 11, no. 04, pp. 70–82, Dec. 2025.