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2. Dreiper, N. and Smit, G., Prikladnoi regressionnyi analiz. Mnozhestvennaya regressiya (Applied Regression Analsis. Multiple Regression), Moscow: Dialektika, 2007.
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2001. Government of the Republic of Armenia. Arlis. Armenian information legal system www.e-gov.am (in Armenian)
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№ 169 “Ob utverzhdenii Metodicheskikh ukazanii po razrabotke skhem kompleksnogo ispol’zovaniya i okhrany vodnykh ob’’ektov” (registratsiya Minyusta RF 10.08.2007 № 9979) (RF Ministry of Natural Resources. Order of July 4, 2001, no 169 “On the Approval of Methodological Guides on the Development of Schemes for Integral Use and Protection of Water Objects” (Registration of the Ministry of Justice August 10, 2007, no. 9979)). https://base.garant.ru/12155160/