List of Articles Structural optimization Open Access Article Abstract Page Full-Text 1 - Hybrid Teaching-Learning-Based Optimization and Harmony Search for Optimum Design of Space Trusses Siamak Talatahari Vahid Goodarzimehr Nasser Taghizadieh 10.22094/joie.2019.1866904.1649 Open Access Article Abstract Page Full-Text 2 - A Discrete Hybrid Teaching-Learning-Based Optimization algorithm for optimization of space trusses Siamak Talatahari Vahid Goodarzimehr