TY - JOUR T1 - An Artificial-Immune-System-Based Algorithm Enhanced with Deep Reinforcement Learning for Solving Returnable Transport Item Problems JO - Sustainability (Switzerland) PY - 2022/05/11 AU - Achamrah FE AU - Riane F AU - Sahin E AU - Limbourg S ED - DO - DOI: 10.3390/su14105805 VL - 14 IS - 10 Y2 - 2024/12/22 ER -