TY - BOOK AU - Harper,Charles L. TI - Exploring social change SN - 0132959739 PY - 1989/// CY - Englewood Cliffs, N.J. PB - Prentice-Hall KW - Social change KW - Social movements KW - United States KW - Social conditions KW - 1945- N1 - Includes index; Bibliography : p. 287-303 ER -