NGUYEN, K.-D. ., HAY, S. ., HUYNH, N.-T.-D. ., & TO, C.-N.-B. . (2018). The Suitability of Proxy Levered Beta in Business Valuation: Evidence from Vietnam. Asian Economic and Financial Review, 8(2), 248–268. https://doi.org/10.18488/journal.aefr.2018.82.248.268