AUTHOR=Xu Guangye , Tang Yan , Xu Shiqi TITLE=Promotion strategies of food delivery O2O supply chain considering service congestion effect with anti-food waste regulation JOURNAL=Frontiers in Sustainable Food Systems VOLUME=9 YEAR=2025 URL=https://www.frontiersin.org/journals/sustainable-food-systems/articles/10.3389/fsufs.2025.1512675 DOI=10.3389/fsufs.2025.1512675 ISSN=2571-581X