Antony, M. K., & Paidi. (2019). TPACK observation instrument: Development, validation, and reliability. Journal of Physics: Conference Series, 1241(1). https://doi.org/10.1088/1742-6596/1241/1/012029 Abstract: “The aims of this study is to develop an observation instrument and test the validity and reliability used to measure the performance of biology teachers to apply TPACK in the…
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