“Investigation of Mutual Anisotropic Heisenberg Chains Which have Easy axe in Ferromagnetic with Spin S=1 by Existence of External Magnetic Field” (2022) Latakia University Journal -Basic Sciences Series, 44(1), pp. 11–20. Available at: https://journal.latakia-univ.edu.sy/index.php/bassnc/article/view/12079 (Accessed: 5 May 2026).