📚 Literatură:

• E. Timmermans, E. De Caluwe (2017) (2017)
• https://doi.org/10.31857/S020595920024909-5...
• https://doi.org/10.38098/ipran.opwp_2022_23_2_005...
• https://doi.org/10.1016/j.chb.2017.01.028...