TY - BOOK AU - Kelman,Herbert C. TI - A time to speak: on human values and social research T2 - The Jossey-Bass behavioral science series AV - H62 .K416 PY - 1968/// CY - San Francisco PB - Jossey-Bass KW - Social sciences and ethics KW - Social sciences KW - Research KW - Social values N1 - Bibliography: p. 333-339 ER -