R. G. Curiñaupa Tomaylla and V. Z. Quevedo Porras, “Determination of the Optimal Percentages of PEG-400 in the Internal Curing of Concrete: A Systematic Review”, LACCEI, vol. 1, no. 14, July 2026, doi: 10.18687/LACCEI2026.1.1.541.