0187-358X 0187-358X S0187-358X2017000200183 10.22201/iibi.0187358xp.2017.72.57829 Mexico 00 08 2017 00 08 2017 31 72 183 207

American Library Association. 1950 2013 1957 1962 1992 3 9-13. 1976 1956 81 81 2631-2633. Columbus Memorial Library. 1952 Department of State. 1951 1949 1954 12-30. 1952 Paris 27-35 1973 September September 2509-14 1967 1963 1961 1951 1970 1988 217-20 1952 Paris 21-6 McGraw-Hill International. 1952 Paris 80-84. 1952 Paris 67-75. 1968 1959 Public Affairs Institute. 1951 . 1960 1968 Washington, D. C. 91-148. 1971 Washington, D. C. 79-223. 1974 1991 1979 112-116. UNESCO 1949 3 3 242-244. UNESCO 1952 Paris 178-188. 1988