A. Suminto, A. A. Farizi, N. Kasanah, M. Lesmana, and R. Muzaki, “The Effectiveness of Instagram Social Media as an Effort to Improve the Quality of Tax Services in the COVID-19 Pandemic in KPP Pratama Ponorogo”, AT, vol. 7, no. 1, pp. 65–73, Dec. 2021.