ŽUBULE, Ērika; GRABUSTS, Peter. Niskanen Classical Model Implementation of the Office’s Operations Evaluation. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 3, p. 232–237, 2015. DOI: 10.17770/etr2015vol3.189. Disponível em: https://journals.rta.lv/index.php/ETR/article/view/189.. Acesso em: 5 may. 2024.