List of Articles Commutator Open Access Article Abstract Page Full-Text 1 - Literature Review carried out in the field of solar Air heater Ali Heydari mikaeel Forati Open Access Article Abstract Page Full-Text 2 - Two new characteristic subgroups S. Barin M. M. Nasrabadi 10.71483/JLTA.2023.1080653 Open Access Article Abstract Page Full-Text 3 - New elements in Hilbert algebras Ardavan Najafi 10.30495/TFSS.2024.1106985