Tuấn, Đoàn Anh, and Hoàng Mai Phương. “EVIDENCE OF TIME-VARYING HERDING BEHAVIOR FROM THE VIETNAMESE STOCK MARKET”. Dalat University Journal of Science, vol. 7, no. 1, Mar. 2017, pp. 96-108, https://doi.org/10.37569/DalatUniversity.7.1.152(2017).