https://www.efecon.tuiasi.ro/research-article/a-comprehensive-study-on-solid-waste-vehicle-routing-and-tracking-%e2%80%94-a-case-study-on-kolkata-city/ EFECON Sun, 22 May 2022 17:37:24 +0000 hourly 1 https://wordpress.org/?v=6.1.1