Text ( visual ) : unmediated
Social science research : a quarterly journal of social science methodology and quantitative research. -- Vol. 1, no. 1 (Apr. 1972)-. -- New York : Seminar Press , 1972-. -- v. ; 23 cm. -- ISSN 0049089X ; (AA00413196) ; https://ci.nii.ac.jp/ncid/AA00413196