T.O. Ojo; M.Y. Ijadunola; E.O. Adeyemi; O.O. Adetunji; F.O. Adurosakin; A.M. Adeyinka; C.O. Adeyelu. Challenges in the Logistics Management of Vaccine Cold Chain System in Ile-Ife, Osun State, Nigeria. JCMPHC 2019, 31, 1-12.