Parichatnon, S., Maichum, K., & Peng, K. C. (2017). Measuring Efficiency, Technical Change and Productivity Trend Using Malmquist Productivity Index Analysis: A Case Study of Rice Production in Thailand. The International Journal of Business & Management, 5(1). Retrieved from http://www.internationaljournalcorner.com/index.php/theijbm/article/view/123367