Effect of added the polycarboxylate ether on slump retention and compressive strength of the high-performance concreteJonbi Jonbi, Resti Nur Arini, Basori Anwar and Mohamad Ali FulazzakyMATEC Web Conf., 195 (2018) 01020DOI: https://doi.org/10.1051/matecconf/201819501020