@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},
 title={Count data modelling of health insurance and health care utilisation in Nigeria},
 type={czasopismo},
 keywords={opieka zdrowotna, ubezpieczenie zdrowotne},
}