JONY RODRIGUES VARELA; LALU MULYADI; AWAN KRISMANTO; 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 , v. 5, n. 02, p. 2536-2561, 24 May 2026.