SELLÉS, Juan Fernando.
The Virtue of Gratitude According to Leonardo Polo.
<strong>Colloquia, Academic Journal of Culture and Thought</strong>, [S.l.], v. 7, p. 11 - 20, dec. 2020.
ISSN 1390-8731.
Available at: &lt;<a href="https://colloquia.uhemisferios.edu.ec/index.php/colloquia/article/view/91" target="_new">https://colloquia.uhemisferios.edu.ec/index.php/colloquia/article/view/91</a>&gt;. Date accessed: 26 apr. 2024.
doi: <a href="https://doi.org/10.31207/colloquia.v7i0.91">https://doi.org/10.31207/colloquia.v7i0.91</a>.