Jarka, S. 2018. 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, 4 (Dec. 2018), 79-86. DOI:https://doi.org/10.22630/ASPE.2018.17.4.54.