Zulfajriana, Arif Sardi, and Diannita Harahap. “Analysis of Formaldehyde Content in Tofu Products As an Indicator of Food Safety in Pidie Regency”. Bioscientist : Jurnal Ilmiah Biologi 14, no. 1 (March 30, 2026): 357–367. Accessed April 13, 2026. https://ojspanel.undikma.ac.id/index.php/bioscientist/article/view/20037.