Masitah, M., Adelita, H., Nasution, R. and Kurniawati, Z.L. 2021. Analyze of formalin in kolang kaling (Arenga pinnata Merr) and black grass jelly (Mesona palustris BL). Medical Laboratory Analysis and Sciences Journal. 3, 1 (May 2021), 1-8. DOI:https://doi.org/10.35584/melysa.v3i1.60.