Sitohang, Linda Seri Murni. “UPAYA PENINGKATAN HASIL BELAJAR KOGNITIF SISWA MELALUI MODELPEMBELAJARAN BRAINSTROMING PADA BIDANG STUDI BIOLOGI DI KELAS XI MIA-5 SEMESTER II SMAN 1 PERCUT SEI TUAN”. JURNAL HANDAYANI PGSD FIP UNIMED 3, no. 1 (June 30, 2015). Accessed October 20, 2025. https://jurnal.unimed.ac.id/2012/index.php/handayani/article/view/2168.