SUMINTO, A.; FARIZI, A. A.; KASANAH, N.; LESMANA, M.; MUZAKI, R. 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, [S. l.], v. 7, n. 1, p. 65–73, 2021. DOI: 10.21111/tijarah.v7i1.5563. Disponível em: https://ejournal.unida.gontor.ac.id/index.php/altijarah/article/view/5563. Acesso em: 8 jan. 2025.