Davydov, Ilkhom, Anastasia Nikolskaya, Galina Podbiralina, Nikolay Mrochkovsky, and Oksana Chuvilova. 2022. “Socio-Economic Inequality and Altruism”. Amazonia Investiga 11 (55):306-17. https://doi.org/10.34069/AI/2022.55.07.32.