Rantesalu, A., Rohi Bire, W. L. O., Tangkelangi, M. and Susilawati, N. M. (2022) “Effect of shallot peel extract in tofu to detect the presence of formaldehyde”, Public Health of Indonesia, 8(4), pp. 131–135. doi: 10.36685/phi.v8i4.646.