Sitakar, Sahna Maulana, et al. “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, Dec. 2025, pp. 70-82, doi:10.22437/biodik.v11i04.43854.