Jony Rodrigues Varela, Lalu Mulyadi, Awan Krismanto, and Nanta Sigit. “A Systematic Literature Review on the Development of a Systems Engineering Management Model Based on Value Engineering and Multi-Criteria Decision-Making for Material Selection in Roads Fund Infrastructure Projects in Timor-Leste”. International Journal of Education, Vocational and Social Science , Vol. 5, no. 02, May 2026, pp. 2536-61, doi:10.63922/ijevss.v5i02.3857.