Soewardini, Herfa, Hery Setiyawan, Dwi Juniati, Siti Khabibah, and Abdul Bon. 2020. “ostering nnovation of hinking for tudent-acing athematics ifficulty hrough ommercial port ideo ames”. JEEIT nternational ournal of lectrical ngineering and nformation echnology 3 (1), 33-41. https://doi.org/10.29138/ijeeit.v3i1.1081.