Sayfullah S., Muh. “The Effect Of Seawater Use On Concrete Mixtures With Variations In Semen Water Factor”. Jurnal Teknik Sipil : Rancang Bangun 6, no. 2 (November 19, 2020): 44–51. Accessed May 6, 2024. http://ejournal.um-sorong.ac.id/index.php/rancangbangun/article/view/1141.