TI  - Using of thermal power plant fly ash to produce semi-lightweight  aggregate and concrete
AU  - AZEZ ALTAYAWI, O.A.
AU  - ÖZ, H.Ã.
AU  - MERMERDAÅž, K.
SO  - Sigma Journal of Engineering and Natural Sciences 2023;41:42-48.
DO  - 10.14744/sigma.2023.00005