List of Articles groupoid Open Access Article Abstract Page Full-Text 1 - Representation of Double Lie-Groupoid M. R. Farhangdoost S. Merati Open Access Article Abstract Page Full-Text 2 - Topologically simple semihypergroup H. Jafarabadi 10.30495/jlta.2022.695592 Open Access Article Abstract Page Full-Text 3 - On the Finite Groupoid G(n) M. Azadi H. Amadi