P. Chaudhary, K. Shrestha, P. Khanal, J. Upadhayaya, and A. Shrestha, “Municipal Plastic Detection and Classification in Real Time using YOLOv9 and Custom CNN”, J. Adv. Coll. Engin. Mgt., vol. 11, no. 1, pp. 61–75, Sep. 2025.