Hung, P. T. M. ., T. T. T. . Dai, P. N. B. . Quynh, L. D. . Toan, and V. H. D. . Trinh. “The Relationship Between Risk and Return - An Empirical Evidence from Real Estate Stocks Listed in Vietnam”. Asian Economic and Financial Review, vol. 9, no. 11, Nov. 2019, pp. 1211-26, doi:10.18488/journal.aefr.2019.911.1211.1226.