@misc{Olayiwola_Saheed_O._Count, author={Olayiwola, Saheed O. and Kazeem, Bayo L.O.}, howpublished={online}, publisher={Publishing House of the University of Economics in Katowice}, language={eng}, type={artykuł}, title={Count data modelling of health insurance and health care utilisation in Nigeria}, doi={https://doi.org/10.22367/jem.2019.35.06}, keywords={opieka zdrowotna, ubezpieczenie zdrowotne}, }