Kholiavko, N., Grosu, V., Safonov, Y., Zhavoronok, A. and Cosmulese, C. G. (2021) “QUINTUPLE HELIX MODEL: INVESTMENT ASPECTS OF HIGHER EDUCATION IMPACT ON SUSTAINABILITY”, Management Theory and Studies for Rural Business and Infrastructure Development, 43(1), pp. 111–128. doi: 10.15544/mts.2021.10.