Y. Y. Danga, A. T. Ina, and Y. . Ndjoeroemana, “Efektivitas Model Pembelajaran Kooperatif Tipe Picture and Picture Berbantuan Media Flipbook terhadap Hasil Belajar Siswa SMA Negeri 2 Haharu”, jm-jpmipa, vol. 5, no. 4, pp. 1501–1511, Nov. 2025.