صالح م. . .; أحمد كلزية; محمد هشام أبظلي; منار حسن. Synthesis Of Compounds ) Sr3-XYbxCo2-YFeyO , Sr3-XTbxCo2-yFeyO7( Belonging To The Radelsden-Popper Series When n=2 By Partial Replacement Of Cobalt With Iron At The B Site And Partial Replacement Of Strontium With Rare Earth Elements At The A Site Using the Ceramic Method. TUJ-BA 2023, 45, 69-80.