Seangprasong, A. “DCON, DRT, Q-CON, RCI, SUPER, และ TASCO A STUDY OF THE COMPARISONS OF RISK AND RATES OF RETURN OF BUILDING MATERIALS BUSINESS BY CAPITAL ASSET PRICING MODEL (CAPM): SECURITIES CASES DCON, DRT, Q-CON, RCI, SUPER, ANDTASCO”. Journal of MCU Social Science Review, vol. 2, no. 2, May 2013, pp. 129-42, https://so03.tci-thaijo.org/index.php/jssr/article/view/245119.