Hilal Asena Cangül, one of the master students in our department, defended her thesis entitled "Investigating the Relationship Between 21st Century Skills and Technologic Pedagogical Content Knowledge (TPACK) of In-service Early Childhood Educators", which she conducted under the supervision of Assoc. Prof. Hasibe Özlen Demircan, and was found to be successful on 27th July, 2022. We would like to thank our student's advisor, Assoc. Prof. Hasibe Özlen Demircan, and committee members Assist. Prof. Volkan Şahin and Assoc. Prof. Selda Aras for their valuable contributions. We wish our student all the success in the future.