1998

İzlanda — Spor Kulübü

Íþróttalög nr. 64/1998 · 1998

Kanada — Kooperatif Hukuku

Canada Cooperatives Act (S.C. 1998, c.1) · 1998

Brezilya — Gönüllülük Hukuku

Lei 9.608/1998 (2016 Lei 13.297 ile güncel) · 1998

Understanding and Assessing the Motivations of Volunteers: A Functional Approach

Journal of Personality and Social Psychology, 74(6) · 1998