The Soundscape Indices (SSID) Protocol: A Method for Urban Soundscape Surveys—Questionnaires with Acoustical and Contextual Information. - Mitchell, Andrew; Oberman, Tin; Aletta, Francesco; Erfanian, Mercede; Kachlicka, Magdalena; Lionello, Matteo; Kang, Jian (Applied Sciences (2076-3417), 2020)