Caiza J, Salas M, Guevara C, Ramírez J. Identification of factors of vulnerability of self-employed workers and in relation to dependency in times of COVID-19 in Ecuador. Cuestiones Económicas [Internet]. 2021Nov.23 [cited 2026Nov.14];31(3):Autores: Josselyn Caiza , Marjorie Salas , Carolina Guevara y José Ramírez. Available from: https://estudioseconomicos.bce.fin.ec/index.php/RevistaCE/article/view/369