Arun, Dungyel, P. R., Wangchuk, K., Wangmo, K. ., Rai, . U. K. ., & Yeshi Jamtsho, Y. J. (2013). Automatic Answer Evaluation: NLP Approach. Zorig Melong | A Technical Journal of Science, Engineering and Technology, 1(1), 51-56. https://publication.cst.edu.bt/index.php/zm/article/view/45