List of Articles حفره Open Access Article Abstract Page Full-Text 1 - Parametric analysis of a broadband Archimedean spiral antenna with cavity Hamed noroozy Shahrokh jam Open Access Article Abstract Page Full-Text 2 - EXAMINING THE IMPACT OF CLOSED-CIRCUITED TELEVIOSIONS(CCTV) IN REDUCING URBAN CRIMES Mahmood Vasegh Hossein Hataminejad shekoofeh jafari fesharaki Open Access Article Abstract Page Full-Text 3 - Design, Simulation and Implementation of Compact and Wideband Microwave Filter Using Semi-Hexagonal Cavity by Substrate Integrated Waveguide (SIW) Technology m.h. n. Rasoul Rahmani