Chariya Sethaputra. 1977. The effect of structural characteristics upon item difficulties in standardized reading comprehension tests. , Florida State University;
Chariya Sethaputra. (1977) The effect of structural characteristics upon item difficulties in standardized reading comprehension tests . Florida State University/Florida.
Chariya Sethaputra. The effect of structural characteristics upon item difficulties in standardized reading comprehension tests. . Florida:Florida State University, 1977.
Chariya Sethaputra. (1977) The effect of structural characteristics upon item difficulties in standardized reading comprehension tests . Florida State University/Florida.