Budijati, S. M., Pujawan, I. N. and Asih, H. M. (2023) “Analysis of Barrier Factors for Collaboration in Handling Used Cell Phones for Second-hand Market Actors to Implement e-waste Management”, Civil Engineering Journal, 9(3), pp. 654–675. doi: 10.28991/CEJ-2023-09-03-011.