UTOMO, A. D. .; JEFFRY; AHMAD IRFANDI. Blockchain Model for Tracking Plastic Waste Using Smart Contracts to Reduce Emissions . Sinkron : jurnal dan penelitian teknik informatika, [S. l.], v. 9, n. 4, p. 1839-1849, 2025. DOI: 10.33395/sinkron.v9i4.15245. Disponível em: https://jurnal.polgan.ac.id/index.php/sinkron/article/view/15245. Acesso em: 21 jul. 2026.