1.
Harahap MH, Putri AE. Effect of variations in the composition and size of red sand grains on the quality of K-225 concrete. J. Met. Mater. Miner. [Internet]. 2020Dec.22 [cited 2021Jan.26];30(4):79-83. Available from: http://jmmm.material.chula.ac.th/index.php/jmmm/article/view/765