Cevallos Tapia LA, Córdova Suárez MA, Vega Falcón V, Villacres Cevallos EP. Ergonomic design of the cashier job in supermarkets with exposure to uncomfortable postures. CCD [Internet]. 2021Apr.5 [cited 2026Jun.15];4(2):198-26. Available from: https://doi.org/10.33262/concienciadigital.v4i2.1662