P. K. Salsabila, “Synthesis, Structural, Spectroscopic, and DFT Characterization of a Thermodynamically Stable Bis(quercetin)copper(II) Complex and Its α-Amylase Inhibitory Activity”, J. Multidiscip. Appl. Nat. Sci., vol. 6, no. 3, pp. 1172–1185, May 2026.