Hastutin, Sri. “Pengaruh Implementasi Learning Cycle Model Terhadap Hasil Belajar Biologi Siswa SMP Negeri 22 Kerinci”. Jurnal Sustainable 6, no. 2 (Desember 31, 2023): 908-918. Diakses Agustus 23, 2025. https://www.jurnal.lp2msasbabel.ac.id/sus/article/view/5021.