Silitonga, Adella. “Pengaruh Penerapan Model Pembelajaran Picture and Picture Yang Dipadukan Dengan Strategi Pembelajaran Aktif Tipe Everyone Is A Teacher Here (ETH) Terhadap Hasil Belajar Biologi Siswa”. Indonesian Journal of Education Research (IJoER) 2, no. 6 (December 27, 2021): 143-147. Accessed July 22, 2024. https://cahaya-ic.com/index.php/IJoER/article/view/542.