2000 Bull. Kharkiv Nat'l. Univ. Internal Aff. 48 (2000) / Bulletin of Kharkiv National University of Internal Affairs, Vol. 2000, Issue 11 (2000), pp. 48-55
2000 Bull. Kharkiv Nat'l. Univ. Internal Aff. 77 (2000) / Bulletin of Kharkiv National University of Internal Affairs, Vol. 2000, Issue 12-1 (2000), pp. 77-80