@article{Mazur:2016,
author
=
"J.Mazur and I.Tabak and A.Dzielska and K.Wąż and A.Oblacińska",
title
=
"The Relationship between Multiple Substance Use, Perceived Academic Achievements, and Selected Socio-Demographic Factors in a Polish Adolescent Sample",
journal
=
"International Journal of Environmental Research and Public Health",
volume
=
"13 (12)",
pages
=
"1--13",
year
=
"2016",
}