AUTHOR=Liu Zengjin , Fan Tingting , Li Caixia , Wang Shanshan TITLE=An investigation of consumer willingness to pay for traceable pork accompanied by supplementary quality assurance information JOURNAL=Frontiers in Sustainable Food Systems VOLUME=9 YEAR=2025 URL=https://www.frontiersin.org/journals/sustainable-food-systems/articles/10.3389/fsufs.2025.1484396 DOI=10.3389/fsufs.2025.1484396 ISSN=2571-581X