Lagzdiņa, Ērika, and Raimonds Ernšteins. “MUNICIPAL ENVIRONMENTAL POLICY PLANNING: COMPLEMENTARITY OF DISCIPLINARY AND INTEGRATIVE APPROACHES”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, vol. 2, Aug. 2015, pp. 134-4, https://doi.org/10.17770/etr2009vol2.1026.