Rafael, J. W. M., and Alva Yuventus Lukas. “Kajian Laboratorium Kuat Tarik Belah Beton Egg Tray Dengan Penambahan Superplasticizer: Laboratory Study Of Split Tensile Strength Of Egg Tray Concrete With The Addition Of Superplasticizer”. Media Ilmiah Teknik Sipil, vol. 12, no. 3, Sept. 2024, pp. 214-8, https://journal.umpr.ac.id/index.php/mits/article/view/6104.