Le Thi Huyen and Nguyen Duy Phuong (2017) “ACTIVITIES TO PROTECT SOVEREIGNTY OVER THE SEA AND ISLANDS IN QUANG NAM UNDER THE NGUYEN DYNASTY (1602 - 1775)”, UED Journal of Social Sciences, Humanities and Education, 7(3), pp. 51-57. doi: 10.47393/jshe.v7i3.788.