Na Wichian, S., S. Wongwanich, and S. Bowarnkitiwong. “Factors Affecting Research Productivity of Faculty Members in Government Universities: Lisrel and Neural Network Analyses”. Kasetsart Journal of Social Sciences, vol. 30, no. 1, Apr. 2009, pp. 67-78, https://so04.tci-thaijo.org/index.php/kjss/article/view/246489.