Seydou Traoré, "Introducing a new tool for financing health services in resource-constrained countries. The case of performance-based financing in Burkina Faso" Luciana Oliveira Militão, Josivania Silva Farias, Faïz Gallouj, "Mapping the photovoltaic energy community of Brazil. Inputs to encourage value co-creation and prevent value co-destruction" Jacques Yana Mbena, Georges Ngnouwal Eloundou, Blaise Ondoua Beyene, Cerapis Mbognou Nchinda, Jacky Flore Ngo Nsoa, "Does social media foster informality in developing countries?" Mathieu Juliot Mpabe Bodjongo, "Choice of electronic money transfer instrument in Cameroon. Mobile money versus others digital financial services"