Van Quyen, Dang, AND Anh, Nguyen Thi Quynh. " Applying the Extractive Industries Transparency Initiative (EITI) to Exploring and Managing Sand and Gravel Mining in Nghe An Province for the Aim of Sustainable Development (A Case Study of Tan Ky District, Nghe An Province)" VNU Journal of Science: Policy and Management Studies [Online], Volume 39 Number 1 (26 March 2023)