khosidah waridatul, malaha adnan and AR LainjongE. 2023. FORMALINE DETECTION IN TOFU SOLD IN THE MARKET GORONTALO CITY TRADITIONAL USING PURPLE SWEET POTATO EXTRACT. Journal of Health, Technology and Science (JHTS). 4, 1 (Jul. 2023), 51-56. DOI:https://doi.org/10.47918/jhts.v4i1.1020.