Wahyudi T, Al Muzafri, Yuliana Susanti. Detection Of Formaldehyde In White Tofu At A Tofu Factory Ujung Batu Sub-District, Rokan Hulu Regency. Sungkai [Internet]. 2025 Feb. 5 [cited 2025 Dec. 17];13(1):1-7. Available from: https://ojs-staging.upp.ac.id/index.php/sungkai/article/view/2665