Faramita, R., D. Puji Lestari, and G. Niwanputri. “E-Commerce Design Interaction With Voice User Interface Using User-Centered Design Approach”. IJNMT (International Journal of New Media Technology), Vol. 6, no. 2, Jan. 2020, pp. 104-8, doi:https://doi.org/10.31937/ijnmt.v6i2.1451.