Halomoan, H., Syarifuddin, H. and Suryana, D. (2019) “Improvement of Motivation and Ability to Solve Problem in Mathematical Learning Using Problem Solving Method in Class VI Sdn 07 Koto Alam Kecamatan Palembayan”, International Journal of Educational Dynamics, 1(2), pp. 308-311. doi: 10.24036/ijeds.v1i2.200.