Sénégal (2) Communication (2) Sénégal (2) puits (1) enquête (1) état (1) spectacle (1) échantillonnage (1) recherche (1) besoin (1) âge (1) ligne (1) public (1) Instruction and study (1) Clothing (1) Birthplace (1) Children (1) Case (1) Care (1) Methods (1) BCG vaccines (1) Worship (1) Weights and measures (1) Values (1) Vaccines (1) Trust (1) Tools (1) Telephone (1) Strategy (1) Senegalese (1)