Sharina Amanda, Cici Handayani, Widy Hastuty, Tumini Sipayung, Nirwaty Tarigan, and Harizahayu. “Workshop Soft Skills Customer Service Untuk Siswa SMK Perkantoran PAB 3 Medan Estate”. GANDRUNG: Jurnal Pengabdian Kepada Masyarakat 6, no. 2 (July 22, 2025): 2436–2443. Accessed July 26, 2025. https://ejournal.unibabwi.ac.id/index.php/gandrung/article/view/5585.