Moreno, Zahira, and Luis Enrique Ibarra Morales. “Practical Application of the Lima Happiness Scale in Workers of Service Companies at Barquisimeto, Venezuela”. Cuadernos De Administración, vol. 33, no. 59, Sept. 2017, pp. 64-78, https://doi.org/10.25100/cdea.v33i59.4632.