Sembodo, Lukman Priyo, David Sukardi Kodrat, and Eric Harianto. 2026. “The Influence Of Service Innovation And Promotional Strategies On Grab User Retention: The Mediating Role Of Purchase Decisions”. JHSS (JOURNAL OF HUMANITIES AND SOCIAL STUDIES) 10 (01):428-39. https://jhss-lppm.unpak.ac.id/index.php/JHSS/article/view/324.