Al Anshori, Jamaludin, Andi Rahim, Ajar Faflul Abror, Ika Wiani Hidayat, Tri Mayanti, Muhammad Yusuf, Juliandri Juliandri, and Ace Tatang Hidayat. 2021. “Sodium Ion Chemosensor of 3-Oxo-3H-benzo[f]chromene-2-Carboxylic Acid: An Experimental and Computational Study: Scientific Paper”. Journal of the Serbian Chemical Society 86 (10). Belgrade, Serbia:971-82. https://doi.org/10.2298/JSC200929022A.