Sebayang, Manuel Haganta, and Arief Handani. “Penerapan Whatsapp Blast Dalam Meningkatkan Kesadaran Wajib Pajak Di KPP Pratama Bangkinang”. Operation Technology and Management (OPTIMA) Journal 2, no. 1 (April 29, 2025): 28–34. Accessed February 4, 2026. https://jurnal.ut.ac.id/index.php/optima/article/view/11082.