Sitakar, S. M., Elfrida , E., & Sarjani , T. M. (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), 70–82. https://doi.org/10.22437/biodik.v11i04.43854