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AWODIJI CTG, EZEGO CP, ONWUKA DO, IWUOHA SE. COMPRESSIVE STRENGTH BEHAVIOUR OF CONCRETE PRODUCED USING OKIGWE RED LUMP STONE AS COARSE AGGREGATE. JESR [Internet]. 2018Jun.22 [cited 2024Apr.19];24(2):7-14. Available from: https://jesr.ub.ro/1/article/view/56