A cross-sectional survey on the effectiveness of public health campaigns for changing knowledge, attitudes, and practices in Kenyan informal settlements during the COVID-19 pandemi... oleh Steven Scholfield, Geraldine D Kavembe, Rodney R Duncan, Bernhards O Ragama, Jared Mecha, Albert Orwa, Geoffrey Otomu, Erick Wanga, James Astleford, John Gutto, Isaac Kibwage, Julius Ogato, Arpana Verma, Keith Brennan, Jonathan Huck, Diana Mitlin, Mahesh Nirmalan