List of Articles Mixed Integer Nonlinear Progra Open Access Article Abstract Page Full-Text 1 - A MINLP Approach to Optimizing Batch Production Scheduling for Perishables Batches N. Hamidy M. A. Nayebi H. Saeidi Open Access Article Abstract Page Full-Text 2 - A Hybrid Meta-Heuristic Method to Optimize Bi-Objective Single Period Newsboy Problem with Fuzzy Cost and Incremental Discount Ata Allah Taleizadeh Seyed Taghi Akhavan Niaki