Yuliyanti, Sri, Ahmad Fadhli, and Fita Yunitasari. 2026. “Surprise Marketing Sebagai Strategi Membangun Customer Engagement: Studi Konseptual Pada Implementasi POP MART”. RIGGS: Journal of Artificial Intelligence and Digital Business 5 (2):20287-96. https://doi.org/10.31004/riggs.v5i2.12057.