Гриценко, Анатолій Володимирович, and Наталія Володимирівна Внукова. “Mathematical Methods of Complex Estimation Design of the Level of Object Development in Ecology-Geographical Researcheg”. Eastern-European Journal of Enterprise Technologies 6, no. 4(54) (February 21, 2012): 4–8. Accessed December 26, 2024. https://journals.uran.ua/eejet/article/view/2253.