YANKOVA-YORDANOVA, Y.; YORDANOV, N. HYBRID SPARE-PARTS LOGISTICS IN ENGINEERING SYSTEMS: A 3S MODEL FOR STORE, SOURCE, OR SYNTHESIZE DECISIONS: HYBRID SPARE-PARTS LOGISTICS IN ENGINEERING SYSTEMS: A 3S MODEL FOR STORE, SOURCE, OR SYNTHESIZE DECISIONS. JOURNAL SCIENTIFIC AND APPLIED RESEARCH, [S. l.], v. 31, n. 1, p. 141–144, 2026. DOI: 10.46687/jsar.v31i1.512. Disponível em: https://jsar.ftn.shu.bg/index.php/jsar/article/view/512. Acesso em: 7 nov. 2026.