Notebooks (4) Flight (4) Vuelo (4) Cahiers (4) Africaines (4) Vol (4) vol (4) Development (1) Ownership (1) Breeding (1) Agriculture (1) Methods (1) Tuaregs (1) Social sciences (1) Scientists (1) Responsibility (1) Reason (1) Production (Economic theory) (1) Peasants (1) Olive (1) Herders (1) Future life (1) Economic history (1) Droughts (1) Appraisers (1) Animal breeders (1) Africanists (1) Africa, North (1) Methods (1) Management (1)