Kintija Pekša Institute of Agricultural Resources and Economics, Viļāni Latvia
Arnis Justs Institute of Agricultural Resources and Economics, Agriculture Science Centre of Latgale, Viļāni Latvia
Veneranda Stramkale Institute of Agricultural Resources and Economics, Agriculture Science Centre of Latgale, Viļāni Latvia
Aldis Stramkalis Institute of Agricultural Resources and Economics, Agriculture Science Centre of Latgale, Viļāni Latvia
Sanita Zute Institute of Agricultural Resources and Economics, Stende Latvia