.Maheswaran, Nishant George Serrao , S. Senthil Murugan , T. Prabaharan. 2020. “Acoustic Level Measurment By Noise Mapping Method And Mitigation Using Acoustic Plaster In Power Press Industry”. International Journal of Advanced Science and Technology 29 (7), 11200-207. http://sersc.org/journals/index.php/IJAST/article/view/27539.