Efremov Aleksey V. «The workers' labor activity in the military-industrial complex of Udmurtia in 1945-1956» // Tomsk State University Journal 2018. №432 C.91-97
Le Thi Minh Loan, Pham Minh Son «The effect of motives on the employees' proactive attitude at work» // Siberian Journal of Psychology 2018. №68 C.143-161
