List of Articles Global System Open Access Article Abstract Page Full-Text 1 - Design and Fabrication of Novel Single- and Dual-band Bandpass Filters with Modern Zero-Degree Feed Structure for Wireless Communications Mohammad Reza Zobeyri Ahmadreza Eskandari Open Access Article Abstract Page Full-Text 2 - The impacts of Disagreements between European Union Member States Over this Union’s Positions in the World System Seyed Hassan Mir Fakhraie