Surveying the Validity of PPP In the Dairy Sector of EU by Using Nonlinear Cointegration. - Eleni Zafeiriou; Theodoros Koutroumanidis; Christos Karelakis; Spyridon Koutroubas (HAICTA, 2011)

Avenues for Livestock Development in Remote Areas: the Case of the Evros Prefecture. - Georgios Tsantopoulos; Christos Karelakis; Spyridon Mamalis; Konstantina Armenou (HAICTA, 2017)

Comparison of non-survey techniques for constructing regional input-output tables. - Georgios Lampiris; Christos Karelakis; Efstratios Loizou (Ann. Oper. Res., 2020)