The use of a speaking book® to enhance vaccine knowledge among caregivers in The Gambia: A study using qualitative and quantitative methods

por Nkereuwem, Oluwatosin O, Kochhar, Sonali, Wariri, Oghenebrume, Johm, Penda, Ceesay, Amie, Kinteh, Mamanding, Kampmann, Beate
Publicado 2021