PIOTROWSKA-PIĄTEK, A. Cooperation of higher education institutions with environment. Selected issues on measurement of HEIs’ third stream activities. Journal of Positive Management, [S. l.], v. 8, n. 3, p. 3–15, 2018. DOI: 10.12775/JPM.2017.121. Disponível em: https://apcz.umk.pl/JPM/article/view/JPM.2017.121. Acesso em: 18 jul. 2024.