Schmidt W, Tchetgnia Ngassam IL, Olonade KA, Mbugua RN, Kühne H-C. Plant based chemical admixtures – potentials and effects on the performance of cementitious materials. RILEM Tech Lett [Internet]. 2019 Mar. 18 [cited 2024 Apr. 24];3:124-8. Available from: https://letters.rilem.net/index.php/rilem/article/view/83