ZHAO, Yunqi. Comparison of Sugar and Preservatives in Different Brands of Jam from Different Origins. Journal of Education, Humanities and Social Sciences, [S. l.], v. 24, p. 560–563, 2023. DOI: 10.54097/0b31kp47. Disponível em: https://drpress.org/ojs/index.php/EHSS/article/view/17029. Acesso em: 17 sep. 2026.