Learning and working with smartphones in the informal sector : new findings and recommendations for action on digitalisation in apprenticeships in sub-Saharan Africa / published by: giz, Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH ; authors: Lukas Brück, GFA Consulting Group GmbH, Dr. Léna Krichewsky-Wegener, Institut pour linnovation et la technologie (iit) ; responsible/editorial team: Hannah Petersen, Carole Benda, Ute Jaskolski-Thiart