M. Al Azzam, Khaldun, Ahmad Makahleh, and Bahruddin Saad. “HPLC Determination of Formaldehyde in Flour Samples Using 2,4,6-Trichlorophenyl Hydrazine As Derivatization Reagent”. Asian Journal of Chemistry 33, no. 4 (March 20, 2021): 930–936. Accessed May 9, 2024. https://asianpubs.org/index.php/ajchem/article/view/33_4_37.