TY - GEN AU - Cruz, Cesia J. AU - Muñoz Pérez, Juan José AU - Carrasco-Braganza, María Isabel AU - Poullet, Patricio AU - López García, Patricia AU - Contreras, Antonio AU - Silva, Rodolfo A4 - Física Aplicada PY - 2020 SN - 0964-5691 SN - 1873-524X UR - http://hdl.handle.net/10498/38240 AB - Based on the data collection of manual beach cleaning, this article measures and compares the efficiency and productivity of workers from private and public companies in nine municipalities in the Gulf of Cadiz (southwest Spain) and from the Ministry... LA - eng PB - Elsevier KW - Manual beach cleaning KW - Beach litter KW - Clean coast index KW - Tourism KW - Cost parameters TI - Beach cleaning costs ER -