P. SARI, M. ANSORI, N. E. MOCHTAR, L. VIZENTHE, A. ANNIDA, and A. ATMOJO, “Evaluating the effectiveness of foam mortar as a lightweight fill for reducing foundation settlement on soft soils: a case study of Indonesian toll road projects”, srees, vol. 35, no. 1, pp. 40–56, Mar. 2026.