Silineviča, Irēna, and Iveta Graudiņa. 2001. “THE RSEZ SUSTAINABLE DEVELOPMENT NECESSITY DRIVEN PUBLIC RELATION MODEL-AN INSTRUMENT FOR ENVIROMENT REGULATION AND MANAGEMENT”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (June): 161-68. https://doi.org/10.17770/etr2001vol1.1953.