Harwinanda, R. “Influence of Motivation to Result of Cognitive Learning in Intergrated Natural Sciences Model Team Games Tournament (TGT) Assistance by Yugioh Card”. Pedagogi: Jurnal Ilmu Pendidikan, Vol. 18, no. 2, Nov. 2018, pp. 101-12, doi:https://doi.org/10.24036/fip.100.v18i2.426.000-000.