Kozlov, A. (2016) “HORMONES AND PROSPECTS: PSYCHOLOGICAL AND ENDOCRINE CHARACTERISTICS OF CHRONIC ANXIETY AND STRESS AMONG SCHOOLCHILDREN AND STUDENTS OF THE ‘THREE RUSSIAS’”, Perm Federal Research Centre Journal, (4), pp. 97–105. Available at: https://journal.permsc.ru/index.php/pscj/article/view/PSCJ2015n4p10 (Accessed: 14 May 2026).