Nguyet Nguyen, Hanh Thi, and Vijay Vittal. “Impact of High WPPs Penetration on the Vietnam Power System”. ECTI Transactions on Computer and Information Technology (ECTI-CIT) 9, no. 2 (April 7, 2016): 142–149. Accessed May 5, 2024. https://ph01.tci-thaijo.org/index.php/ecticit/article/view/54417.