Hidayah, Nurul, and Bambang Purwono. “A Turn-off Fluorescent Chemosensor for Detecting Formaldehyde Based on Pyridine Derivative”. al Kimiya: Jurnal Ilmu Kimia dan Terapan 10, no. 2 (December 31, 2023): 107–113. Accessed December 6, 2025. https://journal.uinsgd.ac.id/index.php/ak/article/view/25573.