C. K. Kwan Chung, C. Cáceres Méndez, and V. C. Arce Benítez, “Importance of mental health in labor productivity: A qualitative study based on the reality of Paraguay, 2023”, UNIDA Sld., vol. 3, no. 1, pp. 17–21, Jan. 2024, doi: 10.69940/sld.20240405.