List of Articles مسئله مسیریابی وسیله نقلیه باز Open Access Article Abstract Page Full-Text 1 - Optimizing of Open Vehicle Routing Problem by Using an Efficient Hybrid Meta-heuristic Algorithm Majid Yousefi khoshbakht Hassan Zarie Zahra Sadati Eskandari Narges Mahmmudi Daranie Ahmad Mahmmud Janlo