Fadjarajani, Siti, et al. “PENGARUH MODEL PEMBELAJARAN PICTURE AND PICTURE TERHADAP HASIL BELAJAR GEOGRAFI: THE INFLUENCE OF PICTURE AND PICTURE LEARNING MODELS ON GEOGRAPHIC LEARNING OUTCOMES”. Perspektif Ilmu Pendidikan, vol. 34, no. 1, Apr. 2020, pp. 19-28, doi:10.21009/PIP.341.3.