Mohtadi , Mohammad Mahdi, Abbas Alwardi, Mohammadjavad Pahlevanzadeh, and Mohammad Reza Fathi. 2022. “MATHEMATICAL MODELING FOR THE SIMULTANEOUS ALLOCATION AND SCHEDULING OF TOUR GUIDES: A PRACTICAL PROBLEM IN WAR TOURISM”. International Journal of Industrial Engineering: Theory, Applications and Practice 29 (5). https://doi.org/10.23055/ijietap.2022.29.5.7993.