J. Ļubenko, V. Perepjolkina, K. Mārtinsone, E. Rancāns, and A. Stepens, “THE RELATIONSHIP BETWEEN SUICIDE IDEATION, DEPRESSIVE SYMPTOMS AND PERSONALITY TRAITS IN ELDERLY: PILOT STUDY RESULTS”, SIE, vol. 7, pp. 129–139, May 2018, doi: 10.17770/sie2018vol1.3273.