Purmalis, Karlis; Priede, Janis; Didrihsone, Agneta; Tocelovska, Natalja / 24 Economic and Social Development, International Scientific Conference on Economic and Social Development 149 (2017) / Economic and Social Development, International Scientific Conference on Economic and Social Development, Vol. 24, pp. 149-153
Purmalis, Karlis; Priede, Janis; Tocelovska, Natalja; Didrihsone, Agneta / 26 Economic and Social Development, International Scientific Conference on Economic and Social Development 562 (2017) / Economic and Social Development, International Scientific Conference on Economic and Social Development, Vol. 26, pp. 562-571