Hirosima, Kiyesi Family matrix : its theory and application / Kiyesi Hirosima - Tokyo : Ministry of Health and Welfare (MHW) , 1990 - 21p. : ill. ; 30 cm. - Working paper No. 7 . Includes bibliographical references. Subjects--Topical Terms: Family Gov. Doc. Class. No.: JP MHW IPP WP-7