1. Association for Humanistic Counseling (AHC). (2022).Humanistic Counseling Philosophy.https://www.humanisticcounseling.org/humanistic‐counseling‐philosophy
2. Berendts A.(2020).Exploring attitudes and literacy of Licensed Professional Counselors toward people with intellectual disabilities[Unpublished doctoral dissertation]. The Ohio State University.
3. A theory of human curiosity;Berlyne D. E.;British Journal of Psychology,1954