Niswah, Ummi Khairun, Taufiq Sitompul, Richard Holman Matanta, and Yona May Rahayu. “Designing an Integrated Counseling Service through WhatsApp Bot and Physical Space: A Design Science Research Approach at Islamic State University of Sumatera Utara”. International Journal of Innovative Research and Scientific Studies 9, no. 6 (May 25, 2026): 1–9. Accessed May 30, 2026. http://ijirss.com/index.php/ijirss/article/view/11704.