List of Articles HFSs Open Access Article Abstract Page Full-Text 1 - Novel Circularly Polarized Substrate Integrated Waveguide SLOT Antanna Omid Khodadad Pejman Mohammadi Open Access Article Abstract Page Full-Text 2 - ELECTRE I-based group decision methodology with risk preferences in an imprecise setting for flexible manufacturing systems Seyed Meysam Mousavi Hosein Gitinavard Behnam Vahdani 10.22094/joie.2019.662.1428 Open Access Article Abstract Page Full-Text 3 - Longitudinal Shunt Slot Excitation by Wiggly Ridge Substrate Integrated Waveguide Mehdi Salemi Mehdi Moradian Reza Safian Open Access Article Abstract Page Full-Text 4 - Unequal Wilkinson Power Divider Using Asymmetric Microstrip Parallel Coupled Lines Mehdi Moradian Saeed Nasri Majid Tayarani Open Access Article Abstract Page Full-Text 5 - Centerline Longitudinal Shunt Slot Excitation by Elliptic shaped single Ridge Waveguide Mehdi Moradian Mohammad Khalaj-Amirhosseini Majid Tayarani