Sunardiyah, F. ., P. Pawito, and A. M. I. . Naini. “DIGITAL COMMUNICATION STRATEGIES OF SURAKARTA CUSTOMS OFFICE IN ACHIEVING CUSTOMS AND EXCISE RECEIPTS DURING COVID-19 PANDEMIC”. International Conference of Business and Social Sciences, vol. 2, no. 1, Apr. 2022, pp. 859-68, https://debian.stiesia.ac.id/index.php/icobuss1st/article/view/253.