Zaynab almahdi ahmed 2026. Existence and Uniqueness of a Weak Solution to a Nonlocal Semilinear Elliptic Problem with Robin Boundary Conditions. Journal of Libyan Academy Bani Walid. 2, 3 (May 2026), 173–183. DOI:https://doi.org/10.61952/jlabw.v2i3.579.