TITRIK, Ádám. Sign-in-time Based Info-communication System for Collecting Selective Waste. Periodica Polytechnica Transportation Engineering, [S. l.], v. 44, n. 1, p. 1–4, 2016. 10.3311/PPtr.8086. Disponível em: https://pp.bme.hu/tr/article/view/8086. Acesso em: 16 apr. 2024.