F. N. A. M. Fauzi, N. N. Bonnia, Z. Abd Rahman, A. U. Anuar, and R. S. F. N. Hizrin, “A Comparative Analysis of the Physical, Mechanical, and Morphological Properties of Industrial vs. Green Polyurethane as Grouting Materials”, Trends Sci, vol. 23, no. 1, p. 11121, Oct. 2025.