Akhazhanov S, Tleulenova G, Karaulov S, Zharassov S, Mukhamejan A. Age-dependent trends in compressive strength of concrete incorporating fly ash. tbus [Internet]. 2023 Nov. 26 [cited 2024 Nov. 21];3(4):0046. Available from: https://technobius.kz/index.php/tech/article/view/105