Kurniawan, Ignatius Soni, and Lusia Tria Hatmanti Hutami. “The Influence of Reward and Feedback Toward Task Performance and the Mediation”. American Journal of Economics and Business Management, vol. 1, no. 4, Jan. 2019, pp. 19-26, doi:10.31150/ajebm.Vol1.Iss4.38.