Zainudin, M. 2016. Penerapan Grey-Tall and Polya Based Learning Disertai Assessment for Learning untuk Meningkatkan Kreativitas Mahasiswa: Application of Grey-Tall and Polya Based Learning Accompanied by Assessment for Learning to Increase Student Creativity. Pedagogia : Jurnal Pendidikan. 5, 2 (Aug. 2016), 225–238. DOI:https://doi.org/10.21070/pedagogia.v5i2.255.