TY - BOOK ID - 6300883 TI - Value systems and social process PY - 1968 SN - 0422719501 9780422719506 PB - London: Tavistock, DB - UniCat KW - Social sciences KW - Social sciences. UR - https://www.unicat.be/uniCat?func=search&query=sysid:6300883 AB - ER -