https://existential-therapy.com/review-of-psychotherapy-isnt-what-you-think-by-james-f-t-bugental/
https://psycnet.apa.org/record/2000-03974-000
see also
https://www.psychotherapy.net/article/bugental
http://www.bugental.com/
https://en.wikipedia.org/wiki/James_Bugental
https://www.psychotherapy.net/interview/james-bugental
https://www.psychotherapy.net/video/existential-humanistic-bugental