TY - BOOK ED - Unesco. TI - Teacher's study guide on the biology of human populations : : Asia SN - 9231012797 U1 - 577.88095 23 PY - 1975/// CY - Paris PB - Unesco Press KW - Population KW - Study and teaching (Secondary) KW - Human population genetics KW - Human ecology KW - Biology N1 - Issued also in French and Spanish; Bibliography: p. 437-438 ER -