TY - BOOK AU - Girod,Roger ED - International Bureau of Education ED - United Nations Educational, Scientific and Cultural Organization, TI - Problems of sociology in education SN - 9231025821 (pbk.) U1 - 301 PY - 1990/// CY - Paris PB - UNESCO KW - Educational sociology KW - Educational equalization N1 - Bibliography : p. 152-159 ER -