Suminto, Ahmad, Afif Al Farizi, Nur Kasanah, Meichio Lesmana, and Rofi 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”. Al Tijarah 7, no. 1 (December 27, 2021): 65–73. Accessed January 8, 2025. https://ejournal.unida.gontor.ac.id/index.php/altijarah/article/view/5563.