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Petkova P, Vasilev P, Nedelcheva G. THE COMPLEXES OF Co2+ IN Bi12SiO20 AND Co3+ IN Bi12TiO20. JSAR [Internet]. 2023 Mar. 5 [cited 2024 Nov. 7];3(1):78-83. Available from: https://jsar.ftn.shu.bg/ojs-3.3.0-7/index.php/jsar/article/view/67