@misc{Mbangala_Mapapa_Multiple,
 author={Mbangala, Mapapa and Sabri, Karim and Colson, Gerard},
 howpublished={online},
 publisher={Instytut Łączności - Państwowy Instytut Badawczy, Warszawa},
 language={ang},
 type={artykuł},
 title={Multiple criteria and multiple periods performance analysis: the comparison of telecommunications sectors in the Maghreb countries, Journal of Telecommunications and Information Technology, 2006, nr 4},
 keywords={Promethee, case study, multiple criteria decision aid, Malmquist DEA TFP index, African telecommunications reforms, dynamic performance analysis},
}