Barr, Robert D.
Defining the social studies / Robert D. Barr, James L. Barth, S. Samuel Shermis. - Virginia : National Council for the Social Studies, 1977
. - 121 p. ; 23 cmSociologia / Desenvolvimento social /
316/BAR/DEF
Defining the social studies / Robert D. Barr, James L. Barth, S. Samuel Shermis. - Virginia : National Council for the Social Studies, 1977
. - 121 p. ; 23 cmSociologia / Desenvolvimento social /
316/BAR/DEF