Abbas, S.Benchohra, M.Sivasundaram, S.Tunç, C.2025-05-102025-05-1020211359-86782-s2.0-85118411647https://hdl.handle.net/20.500.14720/304In this paper; by using set-valued analysis, fixed point theory, and the method of upper and lower solutions, we prove some existence, oscillatory and nonoscillatory results for some classes of Caputo-Fabrizio fractional differential equations and inclusions © CSP - Cambridge, UKeninfo:eu-repo/semantics/closedAccessCaputo-Fabrizio Fractional Order DerivativeFixed PointLower SolutionNonoscillationOscillationUpper SolutionArticle281N/AQ4283298