Heemst, Jan J. P. van The treatment of the NGO sector in the national accounts : guidelines empirical evidence and some related issues / Jan J. P. van Heemst - Hague : Institute of Social Studies (ISS) , 1991 - 47p. : ill. ; 30 cm. - Working paper No. 115 . Includes bibliographical references. Subjects--Topical Terms: Non-governmental OrganizationsNational accounts Gov. Doc. Class. No.: NL ISS Wp-115