সংস্থার নাম সদর দপ্তর UNDP (United Nations Development Programme) New York, United States UN (United Nations) New York, United States CIA (Central Intelligence Agency) Virginia, United States OIC (Organisation of Islamic Cooperation) Jeddah, Saudi Arabia IRRI (International Rice Research Institute) Los Baños, Philippines SAARC (South Asian Association for Regional Cooperation) Kathmandu, Nepal European Union Brussels, Belgium NATO […]