Raychev, T. Methodology Estimating the Efficiency of the Services in Water Supply and Sanitation Sector under Concessioning in the Republic of Bulgaria. 2017 pp. 86 - 93, ISSN 1314-7390.
Raychev, T. Methodology Estimating the Efficiency of the Services in Water Supply and Sanitation Sector under Concessioning in the Republic of Bulgaria. 2017 pp. 86 - 93, ISSN 1314-7390.
Raychev, T. (2017) Methodology Estimating the Efficiency of the Services in Water Supply and Sanitation Sector under Concessioning in the Republic of Bulgaria, pp. 86 - 93, ISSN 1314-7390.
Raychev, T. (2017). Methodology Estimating the Efficiency of the Services in Water Supply and Sanitation Sector under Concessioning in the Republic of Bulgaria. pp. 86 - 93.
Raychev T. Methodology Estimating the Efficiency of the Services in Water Supply and Sanitation Sector under Concessioning in the Republic of Bulgaria. 2017. p. pp. 86 - 93. ISBN: ISSN 1314-7390.
