Social science projects you can do - Weinland, Thomas P. 4 0 16; 1931-, Protheroe, Donald W.,;Schroeder, Ted; 5 (Englewood Cliffs, N.J : Prentice-Hall, 1973)
Keywords: 2 -- 0; 6; Social sciences;Social sciences -- 20 -- Problems, exercises, etc.;Juvenile literature; 20; 2