TY - BOOK AU - Martin,John Levi TI - Social structures SN - 9780691127118 PY - 2009/// CY - Princeton, N.J. PB - Princeton University Press KW - Social interaction KW - Social networks KW - Social structure N1 - Pusat Pengajian Bahasa dan Pembangunan Insaniah; Includes bibliographical references and index ER -