TY - BOOK AU - UNITED NATIONS EDUCATIONAL SCIENTIFIC AND CULTURAL ORGANIZATION ED - UNITED NATIONS EDUCATIONAL SCIENTIFIC AND CULTURAL ORGANIZATION TI - Teacher's study guide on the biology of human populations: Asia SN - 9231012797 U1 - T2:3(G), L5-;1 PY - 1975/// CY - Paris PB - UNESCO France KW - EDUCATION KW - TEACHING ER -