Abdullah, R. N. “Synthesis, Spectroscopic Characterization, and Combined DFT/GFN2-XTB Study of Ethyl 4-[2-(3-Hydroxy-4-Methoxyphenyl)-4,9-Dioxo-2,3,4,9-Tetrahydro-1,3-Benzoxazepin-3-Yl] Benzoate”. Journal of Integral Sciences, Vol. 9, no. 2, Aug. 2026, pp. 30-45, doi:10.37022/jis.v9i2.149.