Jony Rodrigues Varela, Lalu Mulyadi, Awan Krismanto and Nanta Sigit 2026. 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 . 5, 02 (May 2026), 2536-2561. DOI:https://doi.org/10.63922/ijevss.v5i02.3857.