enquête (1) secteur des services (1) science (1) recherche (1) prix (1) modèle (1) littérature (1) information (1) République populaire de Chine (1) Social influence (1) Value (1) Science (1) Research (1) Performance (1) Literature (1) Example (1) Determinants (1) Older people (1) Adoption (1) Smartphones (1) Research (1) Use (1) Science (1) Performance (1)