Pouryusef , Mohammad, Ghasem Tohidi, Masoud Sanei, Farhad Hosseinzadeh Lotfi, and Shabnam Razavyan. 2027. “Optimal System Design and Optimal Budget Models in the Presence of Interval Data”. Business, Marketing, and Finance Open, December, 1-30. https://bmfopen.com/index.php/bmfopen/article/view/605.