Mohanta, MK, AK Saha, and M A Hasan. “Prevalence and Determination of Occupational Diseases of”. University Journal of Zoology, Rajshahi University 31 (June 23, 2013): 79–82. Accessed November 30, 2021. https://banglajol.info/index.php/UJZRU/article/view/15437.