Feasibility of Developing Audiovisual Material for Training Needs in a Vietnam Orphanage: A Mixed-Method Design. - Jovellar-Isiegas P; Jiménez-Sánchez C; Buesa-Estéllez A; Gómez-Barreiro P; Alonso-Langa I; Calvo S; Francín-Gallego M (International journal of environmental research and public health, 2023)