Shafa Shauma Nuril Haqqi, & Nurul Azizah. (2026). Analyzing Guerrilla Marketing Effects on Consumer Engagement within Social Media X: Evidence from ATEEZ Fans in Indonesia. International Journal of Economics, Business and Innovation Research, 5(04), 1748-1764. https://doi.org/10.63922/ijebir.v5i04.4527