Which United Nations organizations does Vietnam participate in? What other treaties are there?

The treaty should be an international organization, right? The international organizations to which Viet Nam belongs are listed in alphabetical order:

Asian Development Bank (ADB)

Asia-pacific economic cooperation

ASEAN Regional Forum

ASEAN (Association of Southeast Asian Nations)

BTWC (Biological Weapons Convention)

Colombo plan

CTBT (Comprehensive Nuclear Test Ban Treaty)

East Asia Summit

Convention on the Prohibition of Military or Any Other Hostile Use of Environmental Modification Techniques

FAO (International Food and Agriculture Organization)

Group of 77

International Atomic Energy Organization

International Bank for Reconstruction and Development (IBRD)

International civil aviation organization

ICRM (International Radionuclide Metrology Committee)

ida

International Fund for Agricultural Development

International Finance Corporation (IFC)

International Federation of Red Cross and Red Crescent Societies

ILO (international labour organization)

International Monetary Fund

International Maritime Organization

IMSO (International Mobile Satellite Organization)

Interpol

International space communication satellite organization

International Olympic Committee (IOC)

International Organization for Migration

IPU (inter-parliamentary union)

International Organization for Standardization (ISO)

ITSO (International Telecommunications Satellite Organization)

International Telecommunications Union (ITU)

Kimberly process

MIGA (Multilateral Investment Guarantee Agency)

non-aligned movement

Treaty on the Non-Proliferation of Nuclear Weapons

OIF (Organization of la Francophonie)

OPCW (Chemical Weapons Convention)

the United Nations (UN)

UNCLOS (United Nations Convention on the Law of the Sea)

United Nations Conference on Trade and Development (UNCTAD)

UNESCO (United Nations Educational, Scientific and Cultural Organization)

United Nations Framework Convention on Climate Change

UNIDO (United Nations Industrial Development Organization)

WTO

Universal Postal Union (UPU)

WCO (World Customs Organization)

World Federation of Trade Unions

WHO (World Health Organization)

World Intellectual Property Organization (WIPO)

World Meteorological Organization (WMO)

World Trade Organization