échantillonnage (1) roche (1) province (1) méthode (1) abri (1) Afrique (1) Case (1) Antiquities, Prehistoric (1) Stone age (1) South Africa (1) Social sciences (1) Sampling (1) Prehistoric peoples (1) Grammar, Comparative and general--Case (1) Discussion (1) Case (1) Sampling (1) royaume (1) province (1)