Velykodniy, S.S., Tymofieieva, O.S. and Zaitseva-Velykodna, S.S. 2019. THE CALCULATION METHOD FOR INDICATORS PROJECT ESTIMATION IN THE IMPLEMENTATION OF SOFTWARE SYSTEMS RE-ENGINEERING. Radio Electronics, Computer Science, Control. 4 (Jan. 2019). DOI:https://doi.org/10.15588/1607-3274-2018-4-13.