Naghdyan, Ruben. “From the History of Interrelations Between Psychology and Metaphysics”. Bulletin of Yerevan University E: Philosophy, Psychology 5, no. 2 (14) (July 1, 2014): 67–79. Accessed November 23, 2024. https://pub.ysu.am/index.php/bulletin-ysu-phil-psych/article/view/vol_5_no_2_2014_pp067-079.