Riski, Yunita, and Cecep Safa’atul Barkah. “Rancangan Usulan Program Employee Engagement Menggunakan Pendekatan Design Thinking Pada Collega Group”. Relasi : Jurnal Ekonomi 21, no. 2 (July 1, 2025): 260-270. Accessed August 30, 2025. https://jurnal.itsm.ac.id/index.php/relasi/article/view/1002.