Ratthawatankul, T., S. Buranapin, O. Santidhirakul, and N. Jariangprasert. “BUSINESS ORIENTATIONS FOR SUSTAINABILITY OF SMALL AND MEDIUM ENTERPRISES”. Creative Business and Sustainability Journal, vol. 36, no. 4, Jan. 2015, pp. 58-83, https://so01.tci-thaijo.org/index.php/CBSReview/article/view/29092.