“SYNTHESIS AND SPECTRAL INVESTIGATIONS OF ANIONIC NaLnL4 AND NEUTRAL MIXED-LIGAND (LnL3phen, LnL3bipy) LANTHANIDE (III) COMPLEXES BASED ON O,O′-DIMETHYL-N-(3-NITROBENZOYL)AMIDOPHOSPHATE: DOI: Https: doi.Org 10.17721 1728-2209.2025.1(60).6”. Bulletin of the Taras Shevchenko National University of Kyiv. Chemistry, vol. 60, no. 1, Dec. 2025, pp. 39-45, https://chemistry.bulletin.knu.ua/article/view/4018.