Ciegis, R. and Pareigis, R. 2005. SUSTAINABLE DEVELOPMENT MANAGEMENT AND TRANSFRORMATION OF PLANNED ECONOMY TO MARKET ECONOMY. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference. 1, (Jun. 2005), 69–76. DOI:https://doi.org/10.17770/etr2005vol1.2122.