KATIMI, Eng. Lordficus. The Effect of Retarding Chemical Superplasticizers on the Setting Time of Cement Pastes in Kenya: A Case Study of Ready Mix Concrete in Nairobi. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 28, n. 2, p. 184–219, 2016. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/5881. Acesso em: 5 nov. 2025.