Budijati, Siti Mahsanah, I Nyoman Pujawan, and Hayati Mukti Asih. 2022. “An Analysis of Driving Factors of Collaboration in Handling Used Cell Phones As a Waste Management Practice”. Civil Engineering Journal 8 (10):2261-89. https://doi.org/10.28991/CEJ-2022-08-10-016.