Vaishali, M., Mukteshvar, M., Dhammapooja, M., Anita, M., & Das, P. S. (2015). AUTOMATIC WHITE BOARD ERASER. Multidisciplinary Journal of Research in Engineering and Technology, 2(4), 812–816. Retrieved from https://journals.mriindia.com/index.php/mjret/article/view/1178