Martirosyan, Arman, and Valeri Mirzoyan. “The Historical Process of the Calculation of Psychological Factor in Economics”. Bulletin of Yerevan University G: Economics 9, no. 3 (27) (December 14, 2018): 28–40. Accessed November 23, 2024. https://pub.ysu.am/index.php/bulletin-ysu-economics/article/view/vol_9_no_3_2018_pp028-040_pdf.