ONG, Johan Oscar; ., Suprayogi. Vehicle Routing Problem with Backhaul, Multiple Trips and Time Window. Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri, [S. l.], v. 13, n. 1, p. 1–10, 2011. DOI: 10.9744/jti.13.1.1-10. Disponível em: https://jurnalindustri.petra.ac.id/index.php/ind/article/view/18148. Acesso em: 12 may. 2025.