Silviana Batubara, Diana Sari Harahap, Nirmala Haty Hrp, and Fithra Maharani, “Analysis of the Impact of Using E-Commerce in Increasing Sales Turnover of Micro, Small and Medium Enterprises in Padangsidimpuan City”, IJERSC, vol. 2, no. 5, pp. 1008–1014, Nov. 2021.