00706cam a2200229 4500 302303 BD-DhUL 20160605163358.0 720727s1971 ja b 000 0 eng 72182128 Ja*** DLC DLC DLC BD-DhUL 368.01 NIE Niwata, Noriaki, 1927- The economic theory of insurance and social security / Noriaki Niwata. Tokyo : Society of Business and Commerce, Keio University, 1971. 124 p. ; 22 cm. Keio monographs of business and commerce, Includes bibliographical references. Social security. ddc BK 76686 76686 0 0 ddc 0 368_010000000000000_NIE 0 NFIC 129869 DUL DUL GEN 2016-06-05 Purchased 368.01 NIE A139411 2016-06-05 2016-06-05 BK