FREDIYANSYAH, M. T.; SUKAMTA, S.; SULISTYOWATI, R. A. .; UMAM, M. .; LIE , H. A. . The Influence Of Adding Superplasticizer With Time Interval And Variation Of Water Reduction On The Early Strength And Workability Of Concrete. Eduvest - Journal of Universal Studies, [S. l.], v. 4, n. 7, p. 5577–5591, 2024. DOI: 10.59188/eduvest.v4i7.1593. Disponível em: http://www.eduvest.greenvest.co.id.submitjurnal.id/index.php/edv/article/view/1593. Acesso em: 5 jul. 2025.