Sitakar, S.M. et al. 2025. 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. 11, 04 (Dec. 2025), 70–82. DOI:https://doi.org/10.22437/biodik.v11i04.43854.