List of Articles GPS Open Access Article Abstract Page Full-Text 1 - investigation of land cover changes using remote sensing technique (Case study: Katalan unit) Maryam Nazemi jalal Marzieh Alikhah-Asl Elham Forootan 10.30495/jest.2024.74410.5882 Open Access Article Abstract Page Full-Text 2 - The Crossed-Dipole Antenna with Torang-shaped Parasitic Elements and Circular Polarization for GPS Application Amir Siahcheshm 10.30495/jce.2024.2002047.1239 Open Access Article Abstract Page Full-Text 3 - Vehicle tracking and control system using GPS and GSM Behzad Kadkhodaei Saman Kazemi Open Access Article Abstract Page Full-Text 4 - Production of Digital Elevation Model of Marvdasht Plain Using ENVISATASAR Radar Images with C-Wavelength Comparison with GPS Points and 1:25000 Topographic Maps of South Zagros Region Alireza Karimi Open Access Article Abstract Page Full-Text 5 - Proposing a New Method to Optimize the Routing in the Distribution of Vendors' Goods Using the Internet of Things (IoT) Mohammad Sadegh Jahan