Hassane, S. et al. 2022. Knowledge, attitudes and practices of mothers, health workers and community relays regarding vitamin A supplementation for children aged 6 to 59 months in Niamey. Journal Sahélien des Sciences de la Santé. 2, 1 (Jun. 2022), 320–328. DOI:https://doi.org/10.67869/fv7ww131.