SAHA, S. A Three-Echelon Dual-Channel Supply Chain Model with Learning Effect Under the Return Policy. Jurnal Teknik Industri, [S. l.], v. 22, n. 2, p. 155–170, 2021. DOI: 10.22219/JTIUMM.Vol22.No2.155-170. Disponível em: https://ejournal.umm.ac.id/index.php/industri/article/view/16542. Acesso em: 6 jul. 2024.