Jarka, Sławomir. “THE PROBLEM OF THE OPTIMAL VOLUME OF ENTERPRISE PRODUCTION IN THE LIGHT OF THE THEORY OF TRANSACTION COSTS AND THE PRACTICE OF OUTSOURCING”. Acta Scientiarum Polonorum. Oeconomia 17, no. 4 (December 30, 2018): 79–86. Accessed March 28, 2024. https://aspe.sggw.edu.pl/article/view/241.