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Two series of perovskite-type oxides with composition La1-xSrxFeO3(x≤0.8)and La1-xSrxFe1-yCoyO3(x=0.2; y=0.2, 0.4)powder productions were synthesized by EDTA complexing sol-gel method. The products were characterized by XRD, TEM, SEM, BET method(N2 adsorp