Nirwan, Raslika Sharfina, Ismojo Herdono, and Hilda Yunita Wono. “Digital Marketing Communication Strategy at Gradin Agency in Building Brand Image”. International Journal of Environmental, Sustainability, and Social Science 7, no. 2 (March 31, 2026): 408–414. Accessed June 6, 2026. https://staging.journalkeberlanjutan.com/index.php/ijesss/article/view/975.