Hidayu Shafie, Faizah Abd Majid, Izaham Shah Ismail. Developing a 21st Century Technological Pedagogical Content Knowledge (TPACK) Instrument: Content Validity and Reliability. ije [Internet]. 2024 Jun. 18 [cited 2024 Oct. 5];14(3). Available from: https://macrojournal.org/index.php/ije/article/view/1166