(1993). Government - NGO cooperation in social development: Proceding of the seminar on cooperation between goverment agencies and non governmental organition in the planing and delivery of social services, 4-11 December 1990, Hong Kong. New York : United Nations, 1991.

Government - NGO Cooperation in Social Development: Proceding of the Seminar On Cooperation between Goverment Agencies and Non Governmental Organition in the Planing and Delivery of Social Services, 4-11 December 1990, Hong Kong. New York : United Nations, 1991, 1993.

Government - NGO Cooperation in Social Development: Proceding of the Seminar On Cooperation between Goverment Agencies and Non Governmental Organition in the Planing and Delivery of Social Services, 4-11 December 1990, Hong Kong. New York : United Nations, 1991, 1993.