@misc{Cieśla_Paweł_(1975-_)_Study,
 author={Cieśla, Paweł (1975- ) and Orłowska, Marta},
 howpublished={online},
 language={pol},
 title={Study on the effect of the spoken commentary on understanding stick models by 4th grade primary school pupils},
 type={artykuł z pracy zbiorowej},
 keywords={dydaktyka chemii, modele chemiczne, modelowanie (chemia)},
}