Address by the President of the General Assembly Groups of countries in special situations - Item 21 Follow-up to the Fifth United Nations Conference on the Least Developed Countries - Item 21 (a) (A/80/82, A/80/355, A/80/XX, A/80/95) Follow-up to the Third United Nations Conference on Landlocked Developing Countries - Item 21 (b) (A/80/336, A/80/293) Operational activities for development - Item 23 Operational activities for development of the United Nations system - Item 23 (a) (A/80/74, A/80/74/Add.1) South-South cooperation for development - Item 23 (b) (A/80/256, A/80/39) -Introduction of reports and joint general discussion