Davydov, Ilkhom, Anastasia Nikolskaya, Galina Podbiralina, Nikolay Mrochkovsky, e Oksana Chuvilova. Socio-Economic Inequality and Altruism. Amazonia Investiga 11, no. 55 (outubro 10, 2022): 306-317. Acessado maio 19, 2024. https://www.amazoniainvestiga.info/index.php/amazonia/article/view/2102.