Michał Pająk, Rafał Mazur, Sebastian Masternak, & Katarzyna Skórzyńska-Dziduszko. (2017). Popularity of marijuana among Polish students. Kazimierz Wielki University.

Michał Pająk, Rafał Mazur, Sebastian Masternak, and Katarzyna Skórzyńska-Dziduszko. Popularity of Marijuana Among Polish Students. Kazimierz Wielki University, 2017.

Michał Pająk, et al. Popularity of Marijuana Among Polish Students. Kazimierz Wielki University, 2017.