Source: https://www.researchgate.net/profile/Patrick-Gubry/publication/235705923_De_l'etude_de_l'exode_rural_a_la_definition_d'une_politique_migratoire_cas_du_Cameroun_From_the_study_of_rural_exodus_to_the_definition_of_a_migration_policy_the_case_of_Cameroon/links/02bfe512c981050dc7000000/De-letude-de-lexode-rural-a-la-definition-dune-politique-migratoire-cas-du-Cameroun-From-the-study-of-rural-exodus-to-the-definition-of-a-migration-policy-the-case-of-Cameroon.pdf