planification (2) éducation (2) zone de développement (2) survie (2) Education (2) Survival (2) Planning (2) Education (2) Guizotia abyssinica (2) Planning (2) Population (2) élite (2) monde (1) vitesse (1) recherche (1) projet (1) programme (1) enseignement supérieur (1) démographie (1) Afrique (1) Education (Higher) (1) Anniversaries, etc (1) Forms (1) Social ecology (1) French-speaking countries (1) Student movements (1) Speed (1) Science (1) Scholars (1) Revolutions (1)