1.
Harizahayu, Helvira Audrey Dwisastri, Purba F. THE VALIDITY AND RELIABILITY TESTING OF PUBLIC SPEAKING SKILLS QUESTIONNAIRE FOR IT STUDENTS USING SPSS . COMTECHNO [Internet]. 2025 Dec. 29 [cited 2026 Sep. 4];3(2):81-6. Available from: https://ojs.ninetyjournal.com/COMTECHNO/article/view/378