Sayfullah S. M. The Effect Of Seawater Use On Concrete Mixtures With Variations In Semen Water Factor. JTSRB [Internet]. 2020 Nov. 19 [cited 2024 Dec. 5];6(2):44-51. Available from: https://ejournal.um-sorong.ac.id/index.php/rancangbangun/article/view/1141