Putra, A. (2022) “Model GI-GI: Student Centred-Based Active Learning System Uses Scientific Approach in order to Realize the Four SDGs”, Improvement: Jurnal Ilmiah untuk Peningkatan Mutu Manajemen Pendidikan, 9(02), pp. 105-121. doi: 10.21009/improvement.v9i2.31354.