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11
, 338.05-I61r-P | International Association for Research in Income and Wealth | 1980 338.05-I61r-P,
12
, 338.05-I61r-P | International Association for Research in Income and Wealth | 1979 338.05-I61r-P,
13
, 338.05-I61r-P | International Association for Research in Income and Wealth | 1978 338.05-I61r-P,
14
, 338.05-I61r-P | International Association for Research in Income and Wealth | 1977 338.05-I61r-P,
1
2
US Department of Education [, ]