Shukla, Rashmi, and S.R.K. Singh , translators. “Ergonomic Evaluation of Improved Grain Cleaning Technologies - Comparative Study of Traditional and Improved Tools ”. Indian Journal of Extension Education, vol. 50, no. 3&4, Dec. 2014, pp. 104-7, https://acspublisher.com/journals/index.php/ijee/article/view/5451.