Socio-economic life of fishermen in the North Central coastal region (Monograph) ; The ky XXI đuoc xac đinh la the ky cua bien va đai duong, cac cuong quoc bien va cac nuoc co bien đa va đang tap trung nghien cuu, khac thac tiem nang cua bien, đai duong. Voi chieu dai bo bien 3.260km, Viet Nam nam trong so 10 quoc gia co chi so cao nhat ve chieu dai bo bien so voi dien tich lanh tho. Co the noi rang, bien, đao la tiem nang, loi the vo cung to lon đe Viet Nam phat trien nhanh va ben vung ; The 21st century is identified as the century of seas and oceans, sea powers and countries with seas have been focusing on researching and differentiating the potential of seas and oceans. With a coastline length of 3,260km, Vietnam is among the 10 countries with the highest index of coastal length compared to territorial area. It can be said that the sea and islands are extremely potential and advantages for Vietnam's rapid and sustainable development