List of Articles Integer Linear Programming Open Access Article Abstract Page Full-Text 1 - An electromagnetism-like metaheuristic for open-shop problems with no buffer Bahman Naderi Esmaeil Najafi Mehdi Yazdani Open Access Article Abstract Page Full-Text 2 - An L1-norm method for generating all of efficient solutions of multi-objective integer linear programming problem Ghasem Tohidi Shabnam Razavyan Open Access Article Abstract Page Full-Text 3 - Solving multi-objective team orienteering problem with time windows using adjustment iterated local search Indri Hapsari Isti Surjandari K. Komarudin Open Access Article Abstract Page Full-Text 4 - Two optimal algorithms for finding bi-directional shortest path design problem in a block layout M Hamzeei R Zanjirani Farahani Open Access Article Abstract Page Full-Text 5 - A new heuristic approach to solve product mix problems in a multi-bottleneck system A.R Rashidi Komijan B Aryanezhad A Makui Open Access Article Abstract Page Full-Text 6 - The optimal number of yard cranes in container terminal GH.R Amin H Golchubian