EVOLUCIÓN DE LA INVESTIGACIÓN CUALITATIVA

Events

Approx. 1 September 1971 - 30 September 1991
1 September 1971 - 30 September 1971
Approx. 1 September 1972 - Approx. 30 September 1979
1 September 1978 - 24 September 1978
1 September 1978 - 30 September 1978
1 September 1982 - 30 September 1982
1 September 1985 - 30 September 1985
1 September 1986 - 30 September 1986