JIAN, QIWEI, Jiaying Li, Jiahong Wu, Lei Zhang, and Chunyan Zhang. “An Intelligent Device for Mask Disposal and Clean Mask Offering”. IJRDO - Journal of Mechanical And Civil Engineering 8, no. 1 (May 4, 2022): 1-5. Accessed April 19, 2024. https://ijrdo.org/index.php/mce/article/view/5042.