Graciafernandy, M. A., E. R. Simamora, and E. Usriyono. “Value-Based Selling As an Intervening Variable: Impacts on Salesperson Innovativeness and Performance”. ICEETE Conference Series, Vol. 1, no. 1, June 2024, pp. 119-31, https://prosiding.utp.ac.id/index.php/ICEETE/article/view/82.