Bekes, K., Ebel, M., Omara, M., Boukhobza, S., Dumitrescu, N., Priller, J., . . . Stamm, T. (2020). The German version of Child Perceptions Questionnaire for children aged 8 to 10 years (CPQ-G8–10): Translation, reliability, and validity. Clin Oral Investig.

Bekes, Katrin, Markus Ebel, Maisa Omara, Sarra Boukhobza, Nicoletta Dumitrescu, Julia Priller, Nejra Kulovic Redzic, Anuscha Nidetzky, and Tanja Stamm. "The German Version of Child Perceptions Questionnaire for Children Aged 8 to 10 Years (CPQ-G8–10): Translation, Reliability, and Validity." Clin Oral Investig 2020.

Bekes, Katrin, et al. "The German Version of Child Perceptions Questionnaire for Children Aged 8 to 10 Years (CPQ-G8–10): Translation, Reliability, and Validity." Clin Oral Investig 2020.